Otogi Ryuuji

Also known as: 御伽龍児, duke_devlin, دوكدَفلِن, ริวจิโอโตกิ, おとぎりゅうじ

AKA: Duke Devlin (English dub)

Recurring character in Yu-Gi-Oh! Duel Monsters. Created a game called Dungeon Dice Monsters.