Premise: The "Crazy Castle" series is an action-puzzle game series created by Kemco and released on the Famicom Disk System, NES, Game Boy, Game Boy Color and Game Boy Advance. It stars different popular cartoon characters, most notably the Warner Bros. cartoon character, Bugs Bunny, and the Walt Disney cartoon character, Mickey Mouse.
Hypothesis: Games in the "Crazy Castle" series have been released for more than one game console.