Voiced by: Kevin Michael Richardson
A hulking ninja who combines the size and weight of a sumo wrestler with the speed and agility of a ninja. He usually speaks in a deep, threatening voice. While working for Dr. Drakken, attempting to kidnap Mr. Nakasumi, he is knocked down by Kim Possible and receives an atomic wedgie from Ron Stoppable. Days or weeks later, he is still speaking in a high, squeaky voice as a result, though he has lost none of his speed or agility. Weakened by exposure to Kim's patent knockout gas, he is knocked unconscious by an inadvertent punch from Ron.