| The subject of this article is non-canonical.|
While created as part of licensed material, it has not been confirmed as part of the "real" Buffyverse.
Hellboy was a demon whose true name was Anung Un Rama (the Beast of the Apocalypse), brought to Earth by Nazi occultists.
Behind the Scenes
- He has his own comic series published by Dark Horse.
- In addition to his cameo appearance in City of Despair, Hellboy also had further cameo appearances in The Blood of Carthage and Past Lives.
- A lookalike character also appears in The Queen of Hearts and it's killed by Drusilla.