Sugoroku Mutou

Dr. Solomon Muto, known as Sugoroku Mutou in the manga and Japanese anime and Trusdale in the video games Stairway to the Destined Duel, World Championship 2004 and Destiny Board Traveller, is the grandfather of Yugi, who calls him "Grandpa" (Jii-chan). "Sugoroku" is a Japanese game similar to Backgammon. Solomon gave Yugi the Millennium Puzzle as a present. He owns the Kame Game shop, where Yugi and his friends get several of the games they play. Solomon is the present day incarnation of Shimon Muran.