Charles Francis Xavier was the mutant son of wealthy nuclear researcher, Dr. Brian Xavier, and his wife, Sharon Xavier-Marko. While gestating in his mother's womb, Charles' twin was recognized by Charles as an evil presence and he preemptively tried to kill it with his nascent psychic abilities, causing the fetus' miscarriage. After Dr. Xavier's death in an accident, Sharon married his colleague Dr. Kurt Marko who brought his son by a previous marriage, Cain Marko to live in their ancestral mansion. Dr. Marko favored the gentle, smart Charles over his own son, which led to Cain constantly bullying Charles and Dr. Marko secretly beating Cain. Sharon married Dr. Marko because she believed that it would be best for Charles.
Charles' telepathic powers began emerging when he was still a boy, around ten, and, as he grew older, he learned to control them. Due to the immense psychic energies emanating from Charles' head, he became bald at a young age. With his powers, Charles discovered that Dr. Marko married to his mother for her money, admitting that he was jealous of Dr. Xavier's wealth. Realizing Dr. Marko did not have feelings for Sharon, she started drinking, becoming an alcoholic. Marko started to abuse both Sharon and Cain, and Charles linked his mind to both of them. He telepathically linked to his mother's in an effort to share the abuse with her and alleviate it. On another occasion, he found himself experiencing the anguished thoughts and emotions of Cain, after Cain had been beaten by his father. Feeling Cain's pain aggravated Cain's dislike to Charles, but the inexperienced young Charles could not control or end his contact with Cain's mind at this time. Sharon died shortly thereafter of a broken heart, leaving Charles to live with his step-father and abusive step-brother.
Later, a fight erupted between Cain and Dr. Marko, causing some of Dr. Marko's lab equipment to explode. Dr. Marko was mortally wounded, but managed to drag the two children to safety before dying, begging forgiveness for not saving Dr. Xavier when he had the chance, and telling Charles to keep his powers secret from Cain. Cain was standing over them and heard of Charles' gift, which led him to believe that Charles had invaded his thoughts deliberately. From then on, Cain regarded Xavier as his enemy.
Xavier was a brilliant student, attending multiple schools throughout his educational career. He attended Bard College in his early teens and graduated from Harvard University when he was 16 years old. Intent on undertaking graduate studies, Xavier entered England's Oxford University to gain his Ph.D.s Genetics, Biophysics.
Xavier was approached by Moira Kinross during a fair in Oxford, asking him why he was smiling. He simply responded that recently, he had the "most wonderful dream", referring to his ideals of the peaceful coexistence between humans and mutants. Charles questioned Moira whether they have ever met before, which Moira responded to by asking him to read her mind, showing him all the lives she had already lived, a consequence of her mutant powers. Professor X was completely crushed by the experience, left thunderstruck by the revelation that no matter what would have happen, mutantkind would always lose. In her tenth and tentatively last life-cycle, all she ever wanted was for Professor X and Magneto to work together, avoiding mutants always losing as she saw in her past timelines. After Xavier's first encounter with Moira, he joined her in a long-term plan to guarantee the future of mutantkind. Eventually, he and Moira fell in love, as it has happened in some of Moira's previous lives. Their passionate discussions on genetic mutation gave way to an equally passionate romance.
Meanwhile, Marko continued to live at the mansion. Marko grew increasingly resentful of his step-brother's scholastic and athletic achievements, as well as his telepathic powers. Marko even pushed Xavier too far one day and the two got into a fight, which Xavier easily won. While still studying at Oxford he was confronted on campus by two mutants named Logan and Victor Creed who, upon learning that the US government was actively imprisoning mutants, were seeking to band mutants together in a common group. Xavier flat out turned Logan and Creed down, something he grew to regret in later years. It had also been hinted that Mister Sinister interfered with Moira and Xavier's relationship, as he was posing as a professor at Oxford at the time. Xavier and Moira planned to be married, but after finishing his work at Oxford, Xavier was drafted.
Having been drafted, Xavier was sent to Korea during the Korean War. There, Xavier and Marko served in the same unit. Attempting to bring back the deserting Marko, Xavier witnessed Cain's discovery of a mystical ruby in the Temple of Cyttorak that transformed him into the superhuman Juggernaut. Just then, enemy high explosive bombardment caused a cave-in and Marko was buried under several thousand tons of rock. Xavier survived and returned to his unit. Xavier also served alongside Kitty Pryde's father, Carmen Pryde, on search and rescue missions, where he earned the nickname, the "Good Shepherd".
Xavier became deeply depressed after Moira broke off their engagement with no explanation. After inheriting his family's considerable wealth, Xavier began traveling abroad. After leaving the army, Xavier discovered that Moira had married her old boyfriend, Joseph MacTaggert, who abused her. While in Cairo, Egypt, Xavier met the young pickpocket, Ororo Munroe, and, while making mental contact with her, battled Amahl Farouk, the Shadow King host, the first evil mutant he had ever met. After defeating Farouk, Xavier realized how deadly mutant powers could be in the wrong hands. This made Xavier find his life dream, he decided to bring mankind and its mutant children together in peace and harmony, aiming to protect humanity from evil mutants and innocent mutants from human oppression, believing that both could peacefully coexist. Xavier, who acknowledged she was a mutant from her brainwaves, declined to contact Ororo at this point, not wanting to shock the young woman with the true nature of her powers.
Xavier next went to Haifa, Israel to meet with the head of a clinic for traumatized Holocaust victims, Daniel Shomron, where he fell in love with the catatonic Gabrielle Haller, whom he awoke using his telepathy. He also became friends with a man calling himself Erik Magnus Lehnsherr, a volunteer. Magnus and Xavier held debates hypothesizing what would happen if humanity was faced with a new super-powered race of humans, unaware that Magnus himself was a mutant. While Xavier was optimistic, Magnus' experiences in the Holocaust led him to believe that humanity would ultimately oppress the new race of humans, as they had done with other minorities. The two friends revealed their powers to each other when they fought Nazi Baron von Strucker, and his Hydra agents, who kidnapped Gabrielle because she knew the location of their secret cache of gold. Magnus attempted to kill von Strucker, but Xavier stopped him. Realizing that his and Xavier's views on mutant-human relations were incompatible, Magnus left with the gold. Xavier stayed in Israel for some time before he and Haller separated on good terms. They were unaware when he left that she was pregnant with his son, who would become the autistic mutant known as Legion.
In a strange town near the Himalayas, Xavier encountered an alien calling himself Lucifer, the advance scout for an invasion by his race, and foiled his plans. In retaliation, Lucifer dropped a huge stone block on Xavier, crippling his legs. Xavier was freed by Sage who had heard his telepathic cries for help. Unfortunately, the rock had permanently damaged his legs, rendering them unusable. Xavier went into a deep depression after losing the use of his legs and Amelia Voght, a young American nurse, made cheering him up her pet project. Amelia helped Xavier recover during his convalescence in Bombay, India, wherein the two fell in love. While living in an apartment together in Bombay, Amelia found Xavier's notes of a device, called "Cerebro", that could detect mutants. Amelia fought with Xavier, believing that he only wanted her as an experiment, stopping only when he used his power to speak to her telepathically, telling her that he loved her. Realizing that he too was a mutant, the couple grew very close and Xavier continued his dream with Amelia by his side.
Xavier worked with fellow mutation expert, Dr. Karl Lykos, as well as old flame Dr. Moira MacTaggert, who had built a Mutant Research Center on Muir Island. Apparently, Charles had gotten over Moira in his travels to the Greek island of Kirinos. Xavier renewed his friendship with Moira, who was now a renowned geneticist, and they began discussing the idea of founding a school for mutants. Xavier discussed his candidates for recruitment to his personal strike force, the X-Men, with Dr. MacTaggert, including those he passed over, which were Kurt Wagner, Piotr Rasputin, Pietro and Wanda Maximoff, and Ororo. Professor Xavier's first student was the 11-year-old Jean Grey, who had been traumatized when she telepathically experienced the emotions of a dying friend. Over the years, Xavier made a name for himself as geneticist and psychologist, renowned enough that the Greys were referred to him when no other expert could help their catatonic daughter, Jean. Professor Xavier helped Jean recover and taught her to use her telekinetic powers. Professor Xavier also trained Tessa to spy on Sebastian Shaw and built a machine for Jamie Madrox to learn at home, instead of going to school.
Professor Xavier later met with Fred Duncan, an FBI agent investigating the growing number of mutants. Professor Xavier told Duncan of his plan to locate young mutants and enroll them in his "School for Gifted Youngsters", using his ancestral mansion home as a base to train them to use their powers, as well as provide them conventional educations, for humanity's benefit. The base included subterranean medical labs, a training facility called the "Danger Room", an aircraft hanger with a Stratojet, and Professor Xavier's mutant detection device, code-named "Cerebro". Amelia stayed with Professor Xavier, partially because she loved him, but also to convince him to give up his nonsense idea. On the anniversary of his liberation from the Vernichtungslager Extermination Camp, Professor Xavier and Amelia met with Erik, now calling himself Magneto and wearing a costume and helmet designed to shield from telepathy, in Auschwitz, Poland. Professor Xavier pleaded with Magneto that the actions he would set into motion were no different than what the Nazis did to him years earlier. After both men reminded each other that they had the power to destroy one another, Magneto left, with Professor Xavier hoping that he saw the error of his ways.
Amelia left Professor Xavier as Scott Summers moved into the mansion, believing the best solution to the "mutant problem" being for mutants to lay low. Professor Xavier tried to force her to stay with his mental powers, but, immediately ashamed by this, let her go. Over the following months, Professor Xavier assembled his original team of X-Men: Scott, who took the name Cyclops, Iceman, Angel, Beast, and Jean, who took the name Marvel Girl. The first menace they would face was Xavier's old friend Magneto, now a mutant supremacist and his Brotherhood of Evil Mutants.
After training them for several years, Professor Xavier went underground from all of his original students, save Jean, to prepare for the invasion of the alien Z'Nox and had the reformed and dying villain, Changeling, pose as him after giving him a portion of his telepathic power. The X-Men disbanded after Changeling was killed by Grotesk and Professor Xavier left all of his belongings to Scott. Professor Xavier returned with Havok and Lorna Dane to stop the invasion of the Z'Nox. Prof. Xavier probed every human mind on the planet and was left in a weakened state, but was revived using a device created by Bruce Banner.
Second and Third Team of X-Men
Years later, when most of his original students were captured by the mutant island Krakoa, Professor Xavier sent another team comprised of Dr. MacTaggert's students, Kid Vulcan (who was Cyclops' unknown brother), Petra, Darwin, and Sway, all of whom he gave quick, mental combat experience, to rescue them. Professor Xavier also approached Emma, to be the team's telepath, but she refused and the Professor erased the event from her memory. After the team freed Cyclops and Kid Vulcan revealed their connection, the entire team was seemingly killed. Cyclops escaped, but, when he made it back to Professor Xavier, the Professor wiped the traumatizing knowledge that his new-found brother had died saving him from Cyclops' memories. Professor Xavier assembled another team of X-Men, including Banshee (former Factor Three operative), Colossus, Nightcrawler, Storm, Sunfire, Thunderbird, and Wolverine to rescue the others on Krakoa, never revealing anything about Dr. MacTaggert's students. The mission was successful and the team stayed together, save for Sunfire.
Their next mission was to stop Count Nefaria and his Ani-Men, during which Thunderbird was killed attempting to stop Count Nefaria's escape. The team went on to battle Kierrok and Professor Xavier was captured by Steven Lang's Sentinels and taken to his space station, until his X-Men rescued him. After, Professor Xavier stayed with a weak Jean in the hospital, after she had piloted the shuttle back to Earth and declared herself the Phoenix. At this time, Professor X had somehow also acquired a RS-150 Blackbird from S.H.I.E.L.D., as the X-Men's new transportation. Lilandra Neramani, princess of the alien Shi'ar race and the woman he shared an intense psychic bond with across the vast distance that separated their two planets, came to Earth to implore Prof. Xavier for his help against her mad, tyrannical brother, D'Ken Neramani, and he, instantly, aided her by deploying his X-Men. They then journeyed to the M'Kraan Crystal's homeworld to battle the Shi’ar Imperial Guard.
After briefly battling Weapon Alpha, and, later, Warhawk, Phoenix returned from the Savage Land to tell Professor X that all the X-Men were dead. Prof. Xavier shut down the school and traveled with Lilandra to her kingdom, where she was crowned Empress. Prof. Xavier dreamed of her and Lilandra knew they were soul mates. They fell in love and, for a time, Professor Xavier lived on Chandilar, the Shi'ar throneworld, as Lilandra's consort.
Prof. Xavier returned to Earth and resumed his position at the school. Professor X then located Kitty Pryde with Cerebro. Professor Xavier and three of the X-Men (Colossus, Storm, and Wolverine) set out for Deerfield, Illinois to contact her and possibly recruit her as a member of the X-Men. Unknown to Prof. Xavier, the mercenary, Warhawk, had planted a device that enabled his employers in the Inner Circle of the Hellfire Club to monitor Cerebro's activities. The Inner Circle, thus, also learned about Kitty, and one of its leaders, Emma, now the White Queen, also went to contact her. The X-Men then went on to battle the Hellfire Club while attempting to recruit Dazzler. When trying to understand the motives of the Hellfire Club, Angel set-up an invite to a Hellfire Club party, where the Phoenix fell under Mastermind and the Hellfire Club's control and transformed into the Black Queen. After the X-Men battled the Hellfire Club's Inner Circle, Phoenix underwent another transformation into the Dark Phoenix and soared through the universe, where she devoured an entire star and the five billion inhabitants of one of its planets. When Phoenix returned to Earth, she threatened to kill everyone, but Professor X was able to keep Phoenix under control and helped her will herself back to normal. The X-Men were then teleported away by the Shi'ar. The Shi'ar Empire had witnessed Dark Phoenix consuming the star, so Professor Xavier had no other choice but to challenge the Shi'ar Imperial Guard to a duel over the fate of the Phoenix. The battle triggered her transformation into Dark Phoenix once more and she understood that she would never be able to fully control the dark hunger inside and sacrificed herself on the Moon. Jean Grey was believed dead.
At some point, Xavier and Moira visited Magneto on Island M. Xavier shared Moira's memories of her previous lives with Magneto, revealing to him that mutantkind was doomed to failure. Despite his initial mistrust, Magneto agreed with Xavier and Moira's proposal and joined them in their long-term plan for the survival of the mutant race . Without Moira's knowing, both Xavier and Magneto then travelled to Bar Sinister to meet Mister Sinister, asking him for his help regarding the genetic collection of mutant DNA that he had acquired over the years. Mister Sinister wasn't interested in the deal but was suddenly killed by another Sinister who was enticed by the proposal since he himself possessed a functional X-Gene (Thunderbird's). Sinister agreed to the compromise but ended up having his memories of the encounter repressed so he would be sent on his course without knowing Xavier and Magneto's involvement until the day they told him to remember.
The team went on to battle the Sentinels and during a coupe, first met the alien Brood and battled Deathbird and Admiral Samedar to restore Lilandra to the Shi'ar throne, where Prof. Xavier was sent into a coma. Unknown to anyone, Professor X had been implanted with a Brood Queen egg at the time. Professor X woke from his coma to learn that his X-Men and Lilandra had left him. Around this time, Professor X aided Spider-Man in battling Mentallo and was unable to rebuild Anthony Power's son, Matthew's, comatose mind. Professor Xavier was able to help Dr. Lykos, who had been trapped as Sauron. Professor X found that Dr. Lykos was infected with a genetic virus that mutated him and isolated the alien element in his DNA matrix, which cured him.
After a call from Reed Richards about a powerful, young mutant whose powers were out of control and with encouragement by Dr. MacTaggert, Prof. Xavier took Xi'an Coy Manh to his mansion and Dr. MacTaggert also brought her foster daughter, Rahne Sinclair. Donald Pierce was determined to kill Prof. Xavier, as well as other superhuman mutants and had Danielle Moonstar's grandfather, Black Eagle, murdered. Prof. Xavier and the girls went to Moonstar's aid. After Dani joined the others rescued, Roberto da Costa and Samuel Guthrie. After being captured by Pierce, the youths rescued Professor X and he decided to take on a new class of mutant students whom he aptly named the New Mutants.
Professor Xavier also employed a small staff to help with the raising of the students, beginning with the human Stevie Hunter, and Xi'an, as the school's secretary. Professor Xavier initially had brought the team together to use as embryos as a Brood Queen was slightly influencing him. After mysteriously trapping Psyche in the Danger Room, Professor X used her powers to attack the New Mutants.
The X-Men returned from space with the knowledge that Professor X had been infected with an embryo and the Brood Queen revealed herself by transforming him. The mind of Professor Xavier asserted long enough to ask Cyclops to kill him but Cyclops declined. Dr. MacTaggert and the X-Men's space-faring allies, the Starjammers, saved Prof. Xavier by transferring his mind into a newly cloned, somewhat younger body in which his legs functioned. The experience made Professor Xavier feel like a "whole man", but his legs had trouble working.
After Professor X had a televised debate, with Reverend William Stryker, he, Scott, and Ororo were kidnapped by the Purifiers. While in captivity, Professor X was hooked to a machine operated by Dr. Phillip Ramsey, attempting to turn him against mutants with illusions of the X-Men killing him and Reverend Stryker saving him. After Professor X was brainwashed, he fired mental bolts at Scott and Ororo, seemingly killing them. Stryker had him taken to Madison Square Garden, where he was attached to a machine that, using his brainpower, would kill all living mutants. Magneto, with his psi-shielded helmet, was able to distract the Professor enough for the X-Men to destroy the machine. Later at the mansion, Professor admitted that Magneto was right and began to accept his offer to join until Scott stopped him and stated that he believed in the Professor's dream and would see it come true. Professor X declined his offer and Magneto left, calling them fools.
At the return of the X-Men, Professor Xavier, initially, demoted Kitty Pryde (Sprite) to the New Mutants, an act that enraged her, until Kitty impressed him by defeating two Sidri, with the help of Lockheed. While attending a fair the New Mutants were attacked by Viper and the Silver Samurai and Psyche was kidnapped. Professor Xavier decided to aid Team America and the New Mutants left without his permission to save Dani. Xi'an was lost to the New Mutants in an explosion. Sensing the Shadow King in Xi'an's disappearance, Professor Xavier ordered the New Mutants to a vacation.
Rogue came to Professor Xavier asking for help with her multiple personalities. Professor Xavier accepted her into his school and the X-Men, even after all the X-Men and Binary stated they would quit if she was admitted, and the team reluctantly agreed. Professor Xavier and Lilandra continuously tried to understand why he felt intense pain every time he would attempt to walk and she stated that she would soon have to leave to stop her sister from starting a war in her kingdom. After battling Mastermind again Professor Xavier hosted Cyclops' first marriage to Madelyne Pryor at his mansion home.
Professor Xavier, later, bid farewell to his love, Lilandra, as she returned to Shi'ar space with the Starjammers. The X-Men battled the Brotherhood, as Mystique attempted to "rescue" Rogue from the X-Men, thinking Xavier forced her leave from the Brotherhood, only to have Rogue tell her that she joined of her own freewill. Professor Xavier shocked everyone with the full use of his legs.
Professor Xavier maintained his principle of never rejecting a troubled soul and, after rescuing Rachel Summers from Selene, Professor X scanned her and welcomed her to his school and the X-Men. After the New Mutants battled a Demon Bear, Professor X invited Sharon Friedlander and Tom Corsi, two more humans, to work at his school. After returning to a ruined home, Professor X allowed Warlock to join the New Mutants. 
At this time, Professor X took a visiting professorship in genetics at Columbia University, where he was beaten by a hate crime driven, anti-mutant group of students, and Professor X was slightly healed by the Morlock Healer. Professor X and the X-Men next battled Thunderbird, brother to the original Thunderbird and blaming Prof. Xavier for his brother's death, and the Hellions to rescue Banshee. Professor X, eventually, convinced Thunderbird that his brother died a hero's death and he released them, stating Professor Xavier was an honorable man. To rescue Banshee, the X-Men had to infiltrate the NORAD (North American Aerospace Defense Command), and the X-Men were officially outlawed. After repeated assaults, from publicly announcing she was a mutant, Dazzler returned to Professor X and asked for training in the Danger Room. After her training, Professor X provided her with a new uniform that amplified and gave precision to her powers.
Professor X met with his former lover, Gabrielle, on Muir Island and discovered that he was her teenage son's father. The autistic boy, David Haller, suffered from multiple personality disorder and had vast psionic powers beyond his father. After helping him and the New Mutants to escape from David's mind, Professor Xavier promised he would always be there for him.
Feeling the return of the Beyonder, Magneto once again joined forces with the X-Men. This time, due to Prof. Xavier's weakened state from being attacked by a group of mutant haters, the Professor asked Magneto to temporarily join the team. After stopping a scheme of Loki's, Magneto went on trial in front of the World Court, and was attacked by Fenris, Andreas and Andrea von Strucker, the children of Baron von Strucker. Professor Xavier suffered physical injuries and psychic strains that left him on the brink of death and asked Magneto to become his successor as headmaster of the Xavier School for Gifted Youngsters and as mentor of the New Mutants. Lilandra and the Starjammers returned and took Professor Xavier into outer space, where they used Shi'ar technology to restore him to health, but due to damage sustained by their ship, were not able to return him. 
While on the run from the Shi'ar, Professor Xavier was reunited with Illyana. Illyana had been attacked by the Magus, lost her teammates, and battled all the demons of Limbo, who had been infected with the Transmode Virus. Prof. Xavier was Illyana's last thought and she was sent to the planet that he was on with the Starjammers and, with the Professor, Lilandra, and Binary, she returned to Limbo. After defeating S'ym, they gathered all of her teammates throughout time and space and returned to the planet that the Professor was on with the Starjammers and Cypher and Warlock re-wrote the Magus' DNA, effectively reducing him to infancy. During this time, Professor Xavier scanned his students for current affairs and learned of the Marauders, the loss of Nightcrawler, Colossus, and Shadowcat, and the fact that his original students were the mutant hunting team of X-Factor. Professor X, initially, decided to return, but, later decided to stay-on and continue to aid the Starjammers, who he believed he owed his life to, and used Karma to mentally control Illyana into sending the New Mutants back home.
Muir Island Saga
After an extended sojourn in space with the Starjammers, Xavier finally returned to Earth. Both the original and second teams of X-Men reassembled under his leadership, along with new recruits like Gambit and Jubilee. Xavier led the X-Men against the Shadow King, only to have his spine broken in the Astral Plane battling his son, leaving him crippled and confined to a wheelchair once more.
Xavier enhanced the X-Mansion's technology with help from Forge, re-establishing the X-Men in Westchester. At some point, he then commissioned Forge with adding a new functionality into Cerebro: the ability to store every mutant’s thoughts and personality traits. At the same time, an ideological schism broke out between Magneto and Xavier. Magneto's position was ignited after the revelation that Moira had manipulated his genome in order to minimize the effects of his magnetic powers in his behavior. This led to a confrontation between Xavier's X-Men and Magneto's new group of followers, the Acolytes. After the confrontation, Xavier and Moira lost Magneto as an ally for their plan.
While holding a mutant rights speech, Xavier was nearly assassinated by Stryfe, being infected with a fatal Techno-Organic Virus, but was saved by none other than Apocalypse. As a temporary side-effect he gained full use of his legs and devoted his precious time to the youngest recruit on his team, Jubilee. 
Since the X-Men were all now highly trained adults, Xavier renamed the school in his mansion the Xavier Institute for Higher Learning. He took control of a private school, the Massachusetts Academy, and made it the new School for Gifted Youngsters, where yet another new class of young mutants, Generation X, was taught. 
In a battle with Magneto, Xavier lost his temper over his old friend ripping the adamantium from Wolverine's body and used his mental powers to shut down Magneto's conscious mind by transferring it into his own. In the process Xavier's mind was inadvertently infected by the evil within Magneto's psyche. The result was that the dark sides of Magneto's and Xavier's minds combined and physically manifested themselves as the nearly invincible entity called Onslaught, who usurped Xavier's psionic powers. America's greatest super heroes narrowly defeated Onslaught, who appeared to perish. However, to ensure that Xavier never again spawned a being like Onslaught, Dr. Valerie Cooper of the United States government took him into custody. Although Xavier was willing to serve as a prisoner of the United States government, he was appalled when it turned him over to the custody of Bastion, head of the anti-mutant Operation: Zero Tolerance.
The Brotherhood & Cadre K
Death of Moira
When Mystique blew up Moira MacTaggert's laboratory complex, fatally wounding her, Charles went to the Astral Plane to meet with her and retrieve information on the cure to the Legacy Virus, but after gathering the information he did not want to leave her alone. If not for Jean pulling him back, the Professor would have died with his first love, who stated she had no regrets.  Later, it was revealed that Moira faked her death using a Shi'ar golem in an experiment designed with help from Xavier, being the first experience Xavier had with the mutant resurrection process he would refine years later. 
Eve of Destruction
After the Legacy Virus was cured, Magneto assembled an army on Genosha. Xavier went to try and dissuade him, but it took an interim X-Men team to stop Magneto, who had crucified Xavier in Magda Square, and former lover and disenchanted Acolyte Amelia Voght to free him.
Xavier regathered his X-Men as a public team and created the X-Corp in light of the incidents with Cassandra Nova Xavier, his 'evil twin.' She had revealed his mutation to the world, something he needed to do but did not want to sully his reputation over.
In the wake of Cassandra Nova's attack on the Shi'ar, Lilandra had gone insane and tried to assassinate Charles on a trip to the X-Corporation branch in Mumbai. Lilandra, believing that too much disaster had come from the Shi'ar's involvement with the X-Men, annulled her marriage to Xavier. 
Stepbrother Juggernaut defected to the X-Men once Xavier reached out to him while he had nowhere to go. Cain redeemed himself, and the brothers came to understand one another.
Shortly thereafter, Kuan-Yin Xorn seemed to reveal himself as Magneto. However, Xavier was apparently aware that the real Magneto was still on Genosha. Traveling there, he tried to start a rebuilding effort with several other mutants.
Xavier briefly returned to help Cyclops' team with Danger, whom he revealed was a sentient entity kept in the Danger Room to help make it a unique and realistic training setting. The revelation that Xavier had known Danger was sentient, but had ignored this in order to further the X-Men's training caused the X-Men to bitterly reject him.
House of M
Magneto brought the comatose Scarlet Witch to Xavier, he began to try to help her. Despite his best efforts, Xavier was unable to help Wanda, and her grip on reality began to slip further and further away. The X-Men and Avengers met to discuss the best course of action, and several of those present argued for euthanizing the Scarlet Witch. Quicksilver overheard this meeting, and when a tired and hopeless Magneto echoed this sentiment, Quicksilver convinced his sister to use her powers to alter reality and create a world where their friends and family had all they wanted.
The result was a world where mutants were the majority, and Magneto was ruler of the world. Cracks in this new world began to appear however. After the mutant Layla Miller restored the memories of some of the X-Men and Avengers, they traveled to Genosha where they discovered that Magneto had erected a memorial garden for Xavier commemorating his death. They were horrified until Cloak faded into the grave and discovered there was nobody inside. A battle soon broke out, and after Magneto's memories were restored and he realized what his children had done, he lashed out, and killed Quicksilver. Wanda, mad with grief, resurrected her brother and restrained her father and everyone else. Bitterly realizing that her father had always loved mutantkind more than his own children, an angry Wanda restored reality with one caveat: no more mutants. Doctor Strange and Emma Frost managed to rescue a handful of mutants from being de-powered, but Professor Xavier was still missing and could not be found by Cerebra, suggesting that he was either de-powered or dead.
The truth about Xavier sending Moira's students to Krakoa all those years ago was finally discovered when an energy-mass comprised of all the depowered mutants' powers revived Kid Vulcan, now known simply as Vulcan. In a rage he attacked the X-Men, causing Xavier to come out of hiding. His legs had been restored to him after the House of M, though he was no longer a mutant. Vulcan made Xavier tell the X-Men what he had done. After Vulcan was defeated and flew off into space, Cyclops told Xavier that he was no longer wanted at the X-Mansion for what he did, though some of the other students were more forgiving, including Beast.
The Rise and Fall of the Shi'ar Empire
Even though Xavier was no longer welcome at the Institute, he nevertheless formed a new team composed of Darwin, Havok, Marvel Girl, Nightcrawler, Warpath, and Polaris for the express purpose of tracking down Vulcan before he could enact his vengeance against the Shi'ar Empire. In the midst of a coup involving Vulcan and the Shi'ar royal family, Xavier was imprisoned and briefly tortured, and then thrown into the M'kraan Crystal by Vulcan, who wished to claim his revenge against the Professor by killing him. Xavier drifted into the crystal, but was rescued by Darwin. When he emerged from the crystal, he found that it had restored his powers. He returned to Earth and then began to search for his old colleague Magneto.
World War Hulk
His membership in the Illuminati would come back to haunt him when the Hulk came to the mansion demanding to know whether or not Xavier would have voted in favor of exiling him, had he been present at the vote. Xavier gave an honest answer, that he would have, and the Hulk proceeded to try and kill Xavier. Despite their anger towards him, his students came to his protection, and a myriad of X-Men teams fought the Hulk in order to save the Professor. All were defeated with ease however, and the Professor refused to flee, feeling that he needed to own up to his sins. However, the Hulk was swayed from killing Xavier by Mercury, who angrily and desperately told him that the X-Men had suffered enough death after the Decimation. Seeing the many gravestones on the grounds of the mansion, the Hulk surmised that their deaths had been Xavier's fault, and he decided to spare Xavier's life so that he could live with his guilt. Xavier was also made the steward of the Mind Gem, as part of the Illuminati's attempt to keep the Infinity Gauntlet from falling into the wrong hands.
His relationship with the X-Men became even more strained when Professor X tried to get involved with the first new mutant baby since M-Day, but Cyclops refused his help. Understanding he had to act on his own, Xavier helped Cable secure the baby and find an escape route. After the final bloody battle had taken place and Cable jumped into the future with the baby, Bishop fired a shot to kill Cable, but instead it hit Xavier in the head.
Xavier survived the bullet impact due to the intervention of the Brotherhood and Exodus directly, though he suffered lingering damage to his mind and memories, while his telepathic abilities seemed unaffected. Despite Xavier's limitations, he tried to rebuild himself and his connections. Some were no longer as trusting of Xavier as before, including Scott Summers, though Wolverine had sought out Xavier to help him free his son from the Hellfire Club's designs.
After convincing Exodus to disband the Acolytes, he was approached by Norman Osborn for unknown purposes. Following their encounter, Xavier was taken to H.A.M.M.E.R.'s West Coast base, a restructured Alcatraz Island and slowly stripped of his telepathic powers through the machinations of Dark Beast. Eventually joined by Beast, who had been arrested during a riot, he attempted to convince him that he was the real Xavier in order to warn him.
Meanwhile Osborn recruited Mystique to impersonate Xavier in public. During the Dark Avengers' arrival in San Francisco to enforce martial law and squelch the anti-mutant riots occurring in the city, Mystique, posing as Xavier, publicly denounced Cyclops' actions and urged him to turn himself in. Emma Frost managed to detect the real Professor X, later helping Emma to enter the Sentry's mind. However, after Emma worked to free the Sentry of the Void's influence, a minute sliver of the entity itself remained in her mind. Xavier quickly told her to remain in her diamond armor state to prevent the Void from gaining access to her psi-powers.
After Legion regained consciousness from his creation of the Age of X universe, Charles together with a team of X-Men helped him find his lost personalities. After Legion suffered a massive shock to his nervous system, Charles vowed to take care of him and nurse him back to health.
Avengers vs X-Men - Death of a Mentor
Charles was seen on the shores of Utopia with his son in intense pain, together with various other psychics as the Phoenix arrived to choose its host, which ended up being five X-Men. Later, after the battle of Wakanda, Charles telepathically contacted Scott Summers to express his severe disappointment in their recent actions and made it clear that unless they ended their madness right away, he would have to take action and use the appropriate force to bring the possessed X-Men down.
After the power of the Phoenix was redistributed between Scott and Emma Frost, Charles aided the Avengers to take them down. His powers managed to nullify Scott's for a small period of time in which the Avengers attacked. Knowing he couldn't defeat the Avengers without the whole Phoenix Force, Scott took the final portion from Emma. Xavier attacked again and demanded he stop but Cyclops finally lost control and somehow killed Xavier before turning into Dark Phoenix.
Shadows of a Luminary
Charles' death caused a mental shock wave that caused Charles' son Legion to lose control over his powers and birth a new persona that at first took the shape of a yellow goblin-like creature and later the form of Charles Xavier himself. David also made it his mission to uphold his father's legacy. Professor X's spirit was later seen in the Heaven dimension along with Nightcrawler's spirit at the time when Azazel invaded Heaven. As part of his will and testament, Xavier left his Infinity Gem to Beast, leading to Beast being inducted into the Illuminati as Charles' replacement.
After his death, Charles Xavier's brain was harvested by a clone of the Red Skull, who took Xavier's vast psionic powers for himself. A fragment of Xavier's psyche, which had escaped the scrubbing of his memories, still existed in the Red Skull's mind preventing him from unleashing the full potential of his powers.
Shmidt's Red Onslaught persona emerged once Magneto killed him in Genosha. In order to defeat him, the Scarlet Witch and Doctor Doom cast a spell to invert the axis of Skull's brain and bring out a fragment of Charles Xavier still present in Shmidt's brain. The spell was a success, and the Red Skull was knocked unconscious and reverted from his Red Onslaught form. Before the Skull could wake up to reveal whether Charles Xavier was now in control or not, as the X-Men wanted, the Avengers decided to be cautious and take the Red Skull to Stark Tower.
In order to help cast a reinversion spell, due to the original having also accidentally affected heroes and villains and made them become their moral opposites, Steve Rogers freed the Red Skull, who had become the White Skull in his inverted form. In this form, it appeared that Charles' fragment was the dominant personality. Once the reinversion spell was cast, the Red Skull became the dominant persona once more.
Months later, the Avengers Unity Division finally put an end to the Red Skull's abuse of Charles' gifts. After successfully apprehending the villain, Rogue took him to Beast, who performed brain surgery on him to remove those segments that belonged to Xavier. At Rogue's request, the Human Torch incinerated those parts, to prevent them from falling into the wrong hands again, and in order to finally put Xavier to rest.
A Man Called X
A portion of Charles' spirit was collected by the Shadow King and brought to the Astral Plane, where Xavier was forced to partake in an endless battle against his dire enemy using their psychic powers as arsenal. After what felt like, or might have been, a thousand years in the Astral Plane, Charles tricked the Shadow King into luring members of the X-Men, hoping their presence could give him the advantage to put an end to the confrontation. The X-Men ultimately defeated the Shadow King and Fantomex donated his body to Professor X's astral form while his mind remained in the Astral Plane. Using Fantomex's body, Xavier built himself a new younger body. He additionally decided to go simply by "X," believing that it didn't feel right to go by his real name just yet since he had been reborn.
The Shadow King's defeat unleashed his source of power, Proteus. The X-Men followed him to Fetters Hill, a small village from which he intended to merge the real world with the Astral Plane. After Proteus launched seeds into many cities of the world to transform them, X convinced Psylocke to create network between the world's psychics and use their power to push back Proteus' influence. The Shadow King had planted a portion of himself into X's mind, which allowed him to take advantage of the network to escape from the Astral Plane into the real world. After the Shadow King defeated the X-Men, X managed to recover and worked together with Psylocke to create a deeper psychic network to destroy the monster. X erased the memories of all of the X-Men involved in his return save for Psylocke so she could watch over him in case the Shadow King wasn't truly gone from his mind.
House of X
Several months later, Xavier and Cypher traveled to Krakoa, allowing the omnilingual mutant to enter into contact with the true entity of the island. Cypher conversed deeply with Krakoa, learning about its language (called "Krakoan") and some of its history. Charles then tasked Cypher with building an interface system on Krakoa to allow the mutants to inhabit the island. Also, Cypher helped create four different systems, involving transit, monitoring, defense, and observation. With the help of both Sinister and Forge, Xavier ended up refining Moira's studies about resurrection, establishing “the Five”, a group of mutants assembled to resurrect all the fallen mutants.
Moira and Xavier tasked several technopath mutants (such as Cypher and Sage) with creating a system called "Sleeping Giant" to monitor for Nimrod technological thresholds being reached and/or the attempted creation of a "Mother Mold": a replicating, adaptive Sentinel factory that was self-aware and capable of creating Master Molds. Xavier and Magneto would eventually task the X-Men with destroying the Mother Mold and preventing the creation of Nimrod, a future mutant hunter in Moira's ninth life. In addition, Charles Xavier bought world leading pharmaceutical companies with his vast wealth to produce three new super drugs from Krakoan flowers, offering them to every country that formally recognized Krakoa as a nation. These drugs operated as a adaptive antibiotic, extended the human lifespan by five years, and prevented human "diseases of the mind" respectively.
Xavier and Magneto tasked Emma Frost to oversee the international trade relations of Krakoa. As both the White Queen of the Hellfire Corporation and a chief ambassador of Krakoa, Xavier gave Emma two seats on the Quiet Council, Krakoa's first governing body, in return for exporting the Krakoan miracle drugs to the rest of the world. Frost also got a third seat on the Council for the Black King Sebastian Shaw, in order to ensure he'd handle all the external conflicts in the nation.
Prior to the first Krakoan Quite Council meeting, Professor X and Magneto revealed to Moira the council members. Moira was left suspicious about Emma Frost not having named her extra Council seat yet, while Mystique would have joined the council if they had brought back Destiny to life, but Moira was opposed to having precognitive mutants like Destiny on Krakoa, since they would end up revealing Moira' ultimate secret: that despite all her striving, over ten different lifetimes, they had always lost. Moira understood that she had spent too much time in the spotlight working overtly with Xavier, deciding to return to the shadows, taking a step aside. In order to do so, she planned to fake her own death.
|Power Grid |
Charles Xavier is an Alpha-Level Mutant, said to possess the most powerful brain in existence, and to be the world's greatest telepath possessing vast psionic powers:
Telepathy: Xavier is able to read minds and project his own thoughts into the minds of others within a radius of 250 miles (on Earth). With extreme effort he can greatly extend that radius. When synched with Cerebro or Cerebra, he can connect to every mind on a planet. After he was thrown into the M'Kraan Crystal, it not only restored his mutation, but made his telepathy more powerful than it had been previously, thereby making him the world's most powerful telepath once again.
- Telepathic Illusions: Charles has the ability to create realistic telepathic illusions and cause people to experience events which are not actually occurring.
- Telepathic Cloak: He can mask his presence from being detected by others. His abilities could at times go undetected or be counteracted by other more powerful telepaths depending on their level of skill in using their own psi abilities. He can extend these defenses to others around him as well.
- Mind Link: He has the ability to develop a mental link with any person which remains as a connection to that individual.
- Telepathic Camouflage: Charles is capable of masking his and/or other peoples' presence from those around him. He can telepathically disguise himself, making his appearance to those around him quite different (changing the appearance of clothing, as well as more involved disguising).
- Mind Blast: He has the ability to place large amounts of information in another's mind.
- Mind Control: Xavier possesses the power to control the minds of others upon mere concentration. This power could allow him to completely shut down several people's minds, making it appear as if time has stopped.
- Mind Possession: Xavier can possess the mind of another, and use that being's body as his own.
- Mind Alteration: He has the ability to alter the minds of others by force of will.
- Mental Amnesia: Charles can cause loss of particular memories or total amnesia in another person or a group of people.
- Psionic Shield: He has the ability to erect a psychic shield for protection of himself and of other minds, so that he could prevent the free access to the conscious and subconscious mind of anyone.
- Psionic Blasts: Xavier can project psionic force bolts which had no physical effects but can affect a victim's mind so as to cause the victim pain or unconsciousness and could even kill an adversary.
- Astral Projection: Charles can use astral travel and communicate with others astrally through his own will, or through contact with the thoughts and memories of others. In the astral realm, he could use his powers to create "ectoplasmic" objects. He could not engage in long range astral projection on the earthly plane.
- Mental Detection: He can sense the presence of another superhuman mutant within a small but as yet undefined radius of himself by perceiving the distinctive mental radiations emitted by such a being.
- Mind Transferal: Xavier possesses the ability to transfer both his mind and powers into other host bodies if his own physical body was somehow killed.
- Absorb Information: He has the ability to quickly process and store information, by mental transference.
Telekinesis: Professor X has shown low-level TK abilities. Though seemingly no longer existent, they were apparently keyed to his genetics, as Cassandra Nova has the same ability and is basically a clone of Xavier. While in the newer, younger body of Fantomex and empowered by a Cerebro like helmet, Charles would exhibit psionic mind over matter facilities refined enough to beckon a flash drive on Mystique's person into his hand with a gesture.
Genius Intelligence: A natural genius, Xavier is a leading authority on genetics, mutation, and psionics. He possesses considerable expertise in other life sciences. He is highly talented in devising equipment for utilizing and enhancing psionic powers. Xavier is also quite the masterful tactician and strategist, effectively evaluating situations and devising swift responses; he has, on numerous occasions, even fashioned long-term operations as complex as those of adversaries such as Sinister, Magneto, and Apocalypse.
Military Training: Charles served in the United States Military, secretly employing his abilities to specialize in search and rescue missions.
Expert Fighter: In his travels in the East, he became a proficient hand-to-hand combatant and gained knowledge of pressure points.
Strength of a normal man his age and size who engages in moderate regular exercise, mostly in his upper body.
Dark Side: Xavier was shown to have a dark side, a part of himself that he struggles to suppress. Perhaps the most notable appearance of this was the entity Onslaught, which was a physical manifestation of that dark side. Also, Onslaught was created in the most violent act Xavier claimed to have done: erasing the mind of Magneto. Once the X-Men fought images of the original team, which had been created by what Xavier said was his "evil self ... who would use his powers for personal gain and conquest," which he said he was normally able to keep in check.
In other instances, Xavier was shown to be secretive and manipulative. During the battle against Onslaught, the X-Men found Xavier's files, the "Xavier Protocols", which detailed how to kill many of the characters should the need ever arise, such as if they went rogue. Also it was revealed that when Xavier realized that the Danger Room had become sentient, he kept it trapped and experimented on it for years, an act that Cyclops called "the oppression of a new life" and equated to humanity's treatment of mutants. Later still, a de-powered Xavier was forced to admit that he had sent a group of hastily trained young mutants and carelessly sent them to Krakoa to save the original X-Men, resulting in their deaths. Because one of the mutants was Cyclops' brother Vulcan, Xavier erased Cyclops' memory of the event. He further manipulated the rescue team of new X-Men by making them think the meaningless noises the island made were intelligible speech—evidence that the island was alive—to match the new memories he had given Cyclops.
Mobile Cerebro Unit
- Although "Xavier's Dream" is based on the belief of peaceful coexistence between humans and mutants, he also wished at some time that "all mutants could come together on common ground, united under one flag and for one cause", which is closer to the Utopia Nation than to his own dream.
- Xavier's favorite book is known from the X-Tinction Agenda storyline to be T.H. White's The Once and Future King. Magneto (who apparently shares Xavier's passion for the novel) can be seen reading it at the beginning of X2 while in prison, and also paraphrased White's famous lines about territory and war, saying, "When will these people learn to fly?" Also, at the close of the film, Xavier asked his students if they were familiar with the work.
- Xavier was a billionaire with a net worth of 3.5 billion dollars, according to Fantomex.
- Xavier enjoyed Japanese green tea, according to Storm.
- Xavier seemingly disliked being called "Charlie" by Wolverine.
- Before the X-Men's first encounter with the Brotherhood of Evil Mutants, Professor X received a premonition about Magneto's plans. But precognition is not usually among his powers.
- 1,141 Appearances of Charles Xavier (Earth-616)
- 185 Minor Appearances of Charles Xavier (Earth-616)
- Media Charles Xavier (Earth-616) was Mentioned in
- 593 Images featuring Charles Xavier (Earth-616)
- 92 Quotations by or about Charles Xavier (Earth-616)
- Character Gallery: Charles Xavier (Earth-616)
- Marvel Directory
- ProfessorX at X-Peoples Central
- uncannyxmen.net Spotlight On... Professor X
Discover and Discuss
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- ↑ 1.0 1.1 X-Men #1
- ↑ Onslaught Epilogue
- ↑ 3.0 3.1 X-Men #139
- ↑ 4.0 4.1 4.2 Wolverine: First Class #1
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 Excalibur Vol 3 #14
- ↑ 6.0 6.1 X-Men: Spotlight on...Starjammers #2
- ↑ X-Men Forever #4
- ↑ X-Men #2
- ↑ 9.0 9.1 9.2 X-Men #4
- ↑ 10.0 10.1 Astonishing X-Men Vol 4 #6
- ↑ X-Men Vol 2 #189
- ↑ Captain America Vol 5 #28
- ↑ 13.0 13.1 13.2 New X-Men #133
- ↑ Mr. and Mrs. X #3
- ↑ Official Handbook of the Marvel Universe Vol 2 #10
- ↑ 16.0 16.1 X-Men #12
- ↑ New X-Men #121
- ↑ House of X #1
- ↑ 19.0 19.1 19.2 19.3 Powers of X #6
- ↑ Origins of Marvel Comics: X-Men #1
- ↑ First X-Men #1
- ↑ X-Men #127
- ↑ Uncanny X-Men #161
- ↑ X-Men #20
- ↑ X-Treme X-Men #44
- ↑ Uncanny X-Men #309
- ↑ 27.0 27.1 X-Men #4-7
- ↑ X-Men #65-66
- ↑ Giant-Size X-Men #1
- ↑ X-Men #94-95
- ↑ X-Men #96
- ↑ X-Men #97-100
- ↑ X-Men #101
- ↑ X-Men #104
- ↑ X-Men #102
- ↑ X-Men #104-106
- ↑ X-Men #107-108
- ↑ X-Men #109
- ↑ X-Men #110
- ↑ X-Men #114
- ↑ X-Men #117
- ↑ X-Men #122
- ↑ X-Men #125
- ↑ X-Men #129
- ↑ X-Men #130-131
- ↑ X-Men #132-133
- ↑ X-Men #134-135
- ↑ X-Men #136
- ↑ X-Men #137
- ↑ X-Men #138
- ↑ Powers of X #2
- ↑ 52.0 52.1 Powers of X #4
- ↑ Uncanny X-Men #155-157
- ↑ Uncanny X-Men #166-167
- ↑ Marvel Team-Up #118
- ↑ Marvel Fanfare #4
- ↑ Marvel Graphic Novel #4
- ↑ 58.0 58.1 New Mutants #1-3
- ↑ Uncanny X-Men #167
- ↑ Marvel Graphic Novel #5
- ↑ Uncanny X-Men #168
- ↑ Uncanny X-Men #171-175
- ↑ Uncanny X-Men #177-179
- ↑ New Mutants #14
- ↑ New Mutants #20-21
- ↑ Uncanny X-Men #188
- ↑ Uncanny X-Men #192-193
- ↑ Dazzler #38
- ↑ New Mutants #26-28
- ↑ Uncanny X-Men #200
- ↑ New Mutants #50-51
- ↑ Uncanny X-Men #278-280
- ↑ X-Men Vol 2 #1
- ↑ 74.0 74.1 Powers of X #5
- ↑ X-Men Vol 2 #2
- ↑ Uncanny X-Men #294-297
- ↑ X-Men Vol 2 #38
- ↑ 78.0 78.1 X-Men Vol 2 #25
- ↑ Wolverine Vol 2 #104
- ↑ X-Men Vol 2 #57
- ↑ Onslaught Epilogue #1
- ↑ Uncanny X-Men #363
- ↑ Uncanny X-Men #379
- ↑ X-Men Vol 2 #108
- ↑ X-Men Vol 2 #111-113
- ↑ New X-Men #116
- ↑ Uncanny X-Men #412
- ↑ Excalibur Vol 3 #1-2
- ↑ Astonishing X-Men Vol 3 #11-12
- ↑ Excalibur Vol 3 #13-14
- ↑ House of M #1
- ↑ House of M #2-8
- ↑ 93.0 93.1 X-Men: Deadly Genesis #5-6
- ↑ Uncanny X-Men #475-491
- ↑ New Avengers: Illuminati Vol 2 #2
- ↑ X-Men Vol 2 #207
- ↑ X-Men: Legacy #216
- ↑ X-Men: Legacy #217-218
- ↑ X-Men: Legacy #225
- ↑ Dark Avengers / Uncanny X-Men: Utopia #1
- ↑ 101.0 101.1 Uncanny X-Men #513
- ↑ Dark Avengers / Uncanny X-Men: Exodus #1
- ↑ X-Men: Legacy #250-254
- ↑ 104.0 104.1 Avengers vs. X-Men #11
- ↑ X-Men: Legacy Vol 2 #1
- ↑ 106.0 106.1 X-Men: Legacy Vol 2 #6
- ↑ Amazing X-Men Vol 2 #5
- ↑ New Avengers Vol 3 #2
- ↑ Uncanny Avengers #1
- ↑ Uncanny Avengers #24
- ↑ Uncanny Avengers #25
- ↑ Avengers & X-Men: AXIS #3
- ↑ Avengers & X-Men: AXIS #9
- ↑ Uncanny Avengers Vol 3 #21
- ↑ Uncanny Avengers Vol 3 #22
- ↑ Astonishing X-Men Vol 4 #5
- ↑ 117.0 117.1 Astonishing X-Men Vol 4 #9
- ↑ Astonishing X-Men Vol 4 #7
- ↑ Astonishing X-Men Vol 4 #10
- ↑ Astonishing X-Men Vol 4 #11
- ↑ Astonishing X-Men Vol 4 #12
- ↑ 122.0 122.1 House of X #5
- ↑ X-Men Vol 2 #94
- ↑ X-Men Vol 2 #97
- ↑ New X-Men #122
- ↑ New X-Men #126
- ↑ Fantastic Four #415
- ↑ 128.0 128.1 X-Men Vol 2 #54
- ↑ Uncanny X-Men #337
- ↑ Powers of X #1
- ↑ Official Handbook of the Marvel Universe A-Z #9
- ↑ X-Men #106
- ↑ Excalibur #100
- ↑ Astonishing X-Men Vol 3 #11
- ↑ X-Men #5
- ↑ X-Men: Prelude to Schism #1
- ↑ New X-Men #129
- ↑ New X-Men #132
- ↑ Official Handbook of the Marvel Universe A-Z #9
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