Selene Gallio is a fictional character, a comic book supervillain from the Marvel Comics universe. She is a mutant, and an enemy of the X-Men often associated with the Hellfire Club's Inner Circle.
Selene first appeared in New Mutants vol. 1, #9 (November 1983), written by Chris Claremont and illustrated by Sal Buscema.
Her long life is attributed to the fact that she is a 'psychic vampire', able to drain lives of others in order to extend her own. Her name derives from the ancient lunar deity Selene, daughter of the Titans Hyperion and Theia. Claiming to have already been old when mankind was just emerging, Selene was born 17,000 years ago. Her tribe's elders recognized her for what she was and commanded the entire tribe, including her own mother, to sacrifice their lives to feed her.
Selene was revealed to have been an old enemy of the sorcerer Kulan Gath. Kulan Gath was active during the Hyborian Age (before any recorded civilizations) and is known to have faced both Conan the Barbarian and Red Sonja. In fact, Sonja reportedly managed to kill him and his spirit would not manifest again until the modern era . Thus, Selene was active at least as early as the Hyborian age.
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