Cat R. Waul is an evil cat who is the main villian in Kids World's Adventures of An American Tail: Fievel Goes West. In the film, he planned to use all the mice from New York and Green River to make Mouse Burgers, but his plan became backfired when Fievel and Pooh and his friends save the day. Fievel uses a gun to shoot at the Giant Mousetrap that Cat R. Waul and the other cats were on and the Mousetrap sends them up to the sky and then land in the mailbag and being carried off by a train. Cat R. Waul popped out of the bag and yelled revenge.
- Cat R. Waul returned in Kids World's Adventures Series where he teamed up with Alameda Slim, Brer Fox, and Brer Bear. At the end of the film, he and Alameda Slim were sent to jail.