My Gym Partner's a Monkey is an American animated television series created by Tim Cahill and Julie McNally-Cahill and produced by Cartoon Network Studios. The story revolves around Adam Lyon, a human who, after a clerical error listed his surname … Maurice LaMarche, Brian Doyle-Murray, Rick Gomez, Cree Summer, Phil LaMarr, Tom Kenny, Grey DeLisle Added on HBO 2023-03-05. Youtube Trailer