Solomon Muto

Sugoroku Muto or Solomon Muto (4Kids dub), is grandfather of Yugi Muto in the original Yu-Gi-Oh. He is a retired archeologist who settled down in his old age as a small business owner and runs a hobby shop for the popular Duel Monsters card game. He is mentor to Yugi and has given various pointers to all Yugi's friends as well for playing Duel Monsters. Sugoroku's expertise in playing the Duel Monsters game, while not unsurpassable, has proven considerable.