Like many of Hanna-Barbera's animal characters, Magilla Gorilla was dressed in human accessories, sporting a bow tie, shorts held up by suspenders, and an undersized derby hat.
The series was produced by Hanna-Barbera for Screen Gems between 1963 and 1965, and was originally sponsored in NBC by Ideal Toys from 1964 through 1966.
Mr. Peebles the pet shop owner could never sell the gorilla in the window or he'd be returned by the end of the cartoon.
The first Hanna-Barbera series of Saturday morning cartoons along with The Peter Potamus Show (1964) and was premiered on NBC following the acquisition of Taft Broadcasting (now renamed Great American) in 1966 two years later.