Katz is the most recurring villain in the cartoon Courage the Cowardly Dog. He is Courage's arch-nemesis and the show's primary antagonist.
He is athletic, knowledgeable, "handsome", and more sly than Courage. However, Katz is cruel and rude. He specializes in scam businesses such as a vacation resort, a confectionery shop, a motel, and a submarine cruise line, always with the intent to kill the patrons when he has no further need for them.
Some of his goals are
Destroy Courage
feeding humans to his vicious spider pets at his motel daily (almost sucessfully)