As a young girl, Tanya Anderssen went with her father on an expedition to Tierra del Fuego near the Antarctic Circle. Along with them on the journey were his friend Dr. Lykos, and his son Karl Lykos, who was about the same age as Tanya.
At one point during the trip Tanya became lost, and Karl found her in a cave being attacked by gigantic pteranodons, a form of flying reptile from the age of dinosaurs. (In actuality, these pteranodons were from the Savage Land, the tropical region in Antarctica where prehistoric creatures still live. Apparently, the pteranodons had traveled to Tierra del Fuego through natural subterranean tunnels.) Karl drove the pteranodons off with his walking stick, but not before he was severely bitten. Traumatized by their experience, neither Karl nor Tanya remembered the pteranodons, and Dr. Anderssen used his medical skills to save Karl's life. Grateful to Karl for saving Tanya's life, Dr. Anderssen allowed Karl to live with him and Tanya after Karl's father died.
As Karl grew older he fell in love with Tanya, but the stern Dr. Anderssen refused to let her marry Karl because of his lack of financial means. So Karl Lykos set off for medical school, vowing to become wealthy so he could marry Tanya.
- 11 appearance(s) of Tanya Anderssen (Earth-616)
- 1 appearance(s) in handbook(s) of Tanya Anderssen (Earth-616)
- 1 minor appearance(s) of Tanya Anderssen (Earth-616)
- 2 image(s) of Tanya Anderssen (Earth-616)