Venom is a symbiote in the Spiderman comics from Marvel. His identity is Eddie Brock. He was best friends with Peter Parker (Spiderman) but then Peter was over taken by the symbiote and then Peter betrayed Brock and then the symbiote was forced off of Peter and on to Brock. The symbiote and Brock then became Venom. Venom is the father to Carnage and grandfather of Toxin, Phage, Riot, Agony, Scream, and Hybrid. He became a hero and has his own issue of comics (Venom Lethal Protector).