Esteban Corazon De Ablo

Esteban Corazón De Ablo, better known as Diablo, is a fictional costumed supervillain and alchemist featured in comic books published by Marvel Comics. He is part of the mainstream Marvel Universe and generally associated with the Fantastic Four series of comic book titles. He first appeared in Fantastic Four, Volume 1 #30 in September, 1964.