- T's a wonder that voice actor Jim Cummings doesn't end up talking to himself. After all, he plays not one, but two main characters on Bonkers -- Bonkers and his partner Piquel. So Jim almost always ends up arguing with himself on screen! How did you come up with Bonkers' voice Bonkers is kind of a combination of Jerry Lewis and Harpo Marx, which is very strange because Harpo never spoke! He's ...home.jps.net/~lsnyder/JCummings.htm