Karate Koopa is the only one of King Bowser Koopa's alter egos that has white skin instead of green. Karate Koopa appears in the Super Mario Bros. Super Show! He is a ninja dressed in yellow and red. He has a black ponytail and a black shell. He even has black nails and teeth! He is often assisted by smaller Ninjas found in Super Mario Bros. 2. He is found wearing sandals and often cheats, of course.