Cain Marko was the step-brother of Charles Xavier. He resented Charles for the fact that their parents seemed to love Charles more than him.[1]

Cain gained his powers while on a expedition in Asia when he came across the Crimson Gem of Cyttorak. As the Juggernaut, he attempted to get revenge on his step-brother, Charles Xavier.

He tried to seek out Xavier at his mansion, knocking it down only to discover that Xavier was not present. He therefore turned to robbing banks in order to attract Xavier's attention. He was defeated by the X-Men and their new ally Colossus, before being given a hypnotic suggestion by Jean Grey that made him forget who and where he was.[2]


See Cain Marko (Earth-616)#Powers.


See Cain Marko (Earth-616)#Abilities.

  • Gladiator is the only person to pick up and throw Juggernaut from Scotland to Brooklyn
  • The character fully appeared in three episodes of the 1990s animated series, "The Unstoppable Juggernaut", "Phoenix Saga Part 3: Cry of the Banshee" (with a teaser cameo at the end of the last episode) and "Juggernaut Returns". He attempted to get revenge on Xavier, his step-brother in this continuity, in all three episodes of the animated series. He was voiced by Rick Bennet.
  • Developed for television by Larry Houston and Frank Squillace.

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