Venom is a fictional character.
The Symbiotes ( originally known as the Klyntar ) are a fictional race of amorphous extraterrestrial symbiotes which appear in the Marvel Comics shared universe . Venom , or the Venom Symbiote , is a fictional character appearing in American comic books published by Marvel Comics , commonly in association with Spider-Man . When the Venom Symbiote bonds with a human , that new dual-life form refers to itself as `` Venom '' .