Real Name: Dr. Arthur Nagan
Occupation: Surgeon, criminal
Identity: Known to the police
Legal Status: Citizen of the U.S. with criminal record
Marital Status: Single
Base of Operations: New York
First Appearance: WEIRD WONDER TALES #7

History: Experimenting with inter-species transplanting of body parts, Nagan became a victim of his own experiments when apes transplanted his head onto the body of a gorilla.

Height: 6 ft. 7 in.
Weight: 320 lbs.
Eyes: Grey
Hair: Black

Strength Level: Nagan can lift (press) about 2 tons.

Known Superhuman Powers: None

Abilities: Despite his gorilla body, Nagan is still a gifted surgeon who can transplant almost any living tissue in another organism.