Alternate Universe Stumpy (know as Moignon Interdimensionnel in the French dub) is a character who lives in the alternate dimension. He is Stumpy's alternate counterpart. In the episode Let's Play Interdimensional Hide and Seek, he has a noticeably larger role than his friends, Alternate Universe Kaeloo, Alternate Universe Quack Quack, and Alternate Universe Mr. Cat. In "Let's Play at Being Fans", he reveals that is a Mr. Coolskin fan. In this episode, he is the main villain and steal everything Stumpy know on Mr. Coolskin. He has also everything about Mr. Coolskin, like a Mr. Coolskin-like machine.