Eddie Brock Sr.

In the Ultimate Marvel universe, Eddie Brock Sr. is the father of Eddie Brock (Venom) and a former research partner of Richard Parker, making him a key background figure whose scientific collaboration with Peter Parker's father laid the groundwork for the Venom symbiote's creation.

A quietly compelling piece of the Ultimate Marvel puzzle, Eddie Brock Sr. made his debut in Ultimate Spider-Man #6 in 2003, courtesy of the legendary Mark Bagley, stepping into one of comics' most ambitious reimaginings of the Spider-Man mythos. His Modern Age emergence places him squarely in that exciting early-2000s moment when Marvel was rebuilding its iconic world from the ground up, and the company he keeps — sharing pages with Richard Parker, Mary Parker, Peter Parker, and Gwen Stacy — signals just how close to the heart of the Ultimate universe's mythology this character sits. With appearances across Ultimate Spider-Man and Marvel Must Haves, he's a figure whose modest page count belies real narrative weight, woven into the fabric of a story that captivated a whole generation of readers discovering Marvel for the first time.