Creator
David Michelinie, Todd McFarlane
Chuck dixon, Doug moench, Graham nolan
In Comics
Web of Spider-Man #18 - The Longest Road
Batman: Vengeance of Bane #1 (January, 1993)
Relatives
Carl Brock (father, estranged), Janine Brock (mother, deceased), Mary Brock (sister), Ann Weying (ex-wife, deceased), Symbiotes relatives: Toxin Symbiote (current symbiote, former grandson), Venom Symbiote (former symbiote, grandfather, former brother), Agony, Phage, Riot, Lasher (uncles, former sons), Scorn (sister, former niece), Carnage (father, former son), Scream (aunt, former daughter, deceased), Hybrid (uncle, former son, deceased)
King Snake (father)