Also known as: 武藤双六
AKA: Solomon Mutou (English dub)
Grandfather of Muto Yugi in Yu-Gi-Oh! Duel Monsters. He found the Millennium Puzzle in his youth, on a trip to Egypt, and gave it to Yuugi as a present. He also tutored Jonouchi Katsuya on how to play the game of Duel Monsters.