Hellboy is a hero summoned from the underworld who fights against supernatural threats. He is a paranormal investigator who was created by Mike Mignola.

Hellboy possesses a massive stone hand called the "Right Hand of Doom", loves smoking cigars, and has a gruff personality.

His adventures are set in a world of ancient evils, secret societies, and Lovecraftian horrors, and he faces these challenges with a blend of folklore, mythology, and dark fantasy. Hellboy is an iconic figure in the world of comics and graphic novels and is beloved by fans.