Featured in Secret Origins #40 - an 'all gorilla issue' that featured an editorial discussion of the Silver Age phenomenon and the issue sported a campy cover that featured a number of tricks formerly used to sell comics such as go checks, fires, motorcycles and questions.
Originally a Mobster by the name of George Dyke, he was set to be executed but had his brain removed from his body by his henchman and it ends up transplanted into the body of a towering gorilla by a disgraced surgeon named Doc Willard.
After operating his own team for a while, Ken Hale then "retired", and lived in a large treehouse near the Congo. He served as a guide for the original X-Men, and proved himself to be a formidable guide. He was given a special yearbook, and was acknowledged as an ally, or "X-Ape".