Creator
John Broome, Carmine Infantino
David Michelinie, Todd McFarlane
In Comics
The Flash #119 - The Mirror-Master's Magic Bullet!; The Elongated Man's Undersea Trap!
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)