Gorilla Man

Gorilla Man is one of Spider-Man's enemy as well as the Defenders' enemy.

History
Doctor Arthur Nagan was once a brilliant surgeon and an even greater inventor. He invented an injection that would allow any part of any other life form to be replaced by a similar version of that life form. He thought about how the ape's body were superior to their human counterparts. So, Dr. Nagan He had his head transplanted onto the body of a very robust ape. He also started a group called; The Headmen.