Answer
Hellboy is the most famous creation of Mike Mignola, an American comic book artist and writer. The character first appeared in 1993 in the comic book miniseries "Hellboy: Seed of Destruction." Hellboy is a half-demon, half-human who was summoned from Hell by Nazi occultists during World War II. He was raised by Professor Trevor Bruttenholm, who taught him to use his powers for good.