Creator
Carmine Infantino, John Broome, John Ostrnder
  
David Michelinie, Todd McFarlane
  
In Comics
The Flash #117 - Here Comes Captain Boomerang! / The Mad-cap Inventors of Central City!
  
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)