Creator
Chris Bachalo, Mike Carey
David Michelinie, Todd McFarlane
In Comics
X-Men #205 - Messiah CompleX, Chapter Five
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)