is a brilliant biologist who lost his arm while working as a surgeon in the United States Army. He got a prosthetic arm to replace it, but always wished he had his real arm back. He found work as a biologist at Empire State University, studying reptiles and cell regeneration with his wife Martha. He used lizard DNA to create a formula that is capable of regrowing human tissue. He experimented on himself to regrow his missing arm, but he transformed into a large lizard creature. Spider-Man, Eddie Brock, Gwen Stacy, and Connors' wife Martha Connors developed a formula that would turn him back. It worked, though Spider-Man took a picture of himself fighting Lizard. They decided to keep his transformation a secret. Peter Parker then sold that picture to The Daily Bugle. However, Martha felt she could not trust that Peter wouldn't reveal the secret if he would sell photos and ended his internship.