Mr. Karita (刈田先生 Karita-sensei) is a character in the Yu-Gi-Oh! manga. He is a P.E. teacher who harassed Ryo Bakura on his first day at Domino High School. After suffering a Penalty Game, he became Villager D in a Monster World role-playing game. In the second Yu-Gi-Oh series these events never happened as seen in a flashback during the Duelist Kingdom arc, in the flashback Bakura was first introduced as a new student in class.