Demitrius the Bully, known as Ushio the Public Morality Demon in the Japanese version, is a character in the video game, Yu-Gi-Oh! Dungeon Dice Monsters. He is based on Ushio from the Yu-Gi-Oh! manga.
The morality enforcement officer of Domino High's student council. But despite his title, he is a bully who brutalizes his fellow students.