Creator
George perez, Marv wolfman
David Michelinie, Todd McFarlane
In Comics
Crisis on Infinite Earths #4 (July, 1985)
Web of Spider-Man #18 - The Longest Road
Relatives
Monitor ("brother"), The Monitors
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)