My Gym Partner's a Monkey is an American animated television series created by Timothy and Julie McNally Cahill and produced by Cartoon Network Studios. It premiered on Cartoon Network on December 26, 2005, and on The WB Television Network on January 7, 2006. The story revolves around Adam Lyon, a human who, after a clerical error listed his surname as "Lion," is forced to transfer to Charles Darwin Middle School, a school for local anthropomorphic zoo animals, where he is partnered with Jake Spidermonkey in gym, with whom he quickly becomes best friends.