His fictional franchise has created a global phenomenon. However, the gaming community would call Yugi Mutou's Atem alter ego a "munchkin" who breaks the game and plays to win at all costs.

Yu-Gi-Oh! Duel Monsters follows Yûgi Muto, a frail youth targeted by bullies, who discovers his alter ego, Yami Yûgi, after completing the ancient Millennium Puzzle. This new persona ...