Creator
David Michelinie, Todd McFarlane
John Broome, Carmine Infantino
In Comics
Web of Spider-Man #18 - The Longest Road
The Flash #110 - Challenge of the Weather Wizard! / Meet Kid Flash!
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)
Not Available