Apocalypse is a fictional character from various comic books and graphic novels published by Marvel Comics. The character made his debut in the mid-1980s X-Men spin-off series, X-Factor (vol. 1, 1986-1991), and was created by writer Louise Simonson and artist Jackson Guice. Apocalypse was introduced in X-Factor as a centuries-old mutant obsessed with the Social Darwinist philosophy of survival of the fittest. The character employs highly advanced technology in his schemes, such as transforming Angel into one of his Four Horsemen and infecting Cyclops' son with a "techno-organic virus". Although the character first appeared in X-Factor, the unnamed benefactor of the Living Monolith in Marvel Graphic Novel #17 (1985), has been identified as Apocalypse in disguise. The super villain Moses Mag