Creator
Robert Kanigher, Sheldon Moldoff
David Michelinie, Todd McFarlane
In Comics
Batman #181 - Beware of Poison Ivy!, The perfect crime - slightly imperfect!
Web of Spider-Man #18 - The Longest Road
Relatives
Not Available
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)