Carnage is a supervillain in Marvel Comics who is often a foe of Spider-Man and Venom's archenemy. The character was created by Erik Larsen and David Michelinie and first appeared in The Amazing Spider-Man #344 in 1991. Carnage is a symbiote offspring of Eddie Brock, also known as Venom, that merges with serial killer Cletus Kasady. The result is a more dangerous and psychotic being that can create a family of symbiotes.