Grape Ape

Grape Ape is an anthropomorphic giant ape and the title character in The Great Grape Ape Show. He was voiced by Bob Holt.

Cameo on Yogi's Space Race
He made a guest cameo in the Yogi's Space Race episode "Nebuloc–The Prehistoric Planet", in which he helped save the Space Racers from the "Space Apes".

Harvey Birdman Represents
In the episode, "Grape Juiced" Grape Ape is accused of taking steroids during the Laff-a-Lympics games and is put on trail with Harvey Birdman representing him.

SCOOB!
He appeared in the credits sequence in which, he was a member of the Falcon Force alongside Atom Ant, Jabberjaw and Captain Caveman.

Development
His character was most likely inspired by King Kong, being over 40 feet high.