Mojo Jojo

Mojo Jojo is the main antagonist of the Powerpuff Girls franchise. He is an intelligent chimpanzee who was originally Professor Untonium's pet until the Powerpuff Girls were born. When Utonium started to pay attention to them more than him, a betrayed Mojo left and has been seeking revenge ever since.

He is voiced by Roger Jackson and by Kevin Shinick in Mad.