Sugoroku's friend (left)
|Manga debut||Yu-Gi-Oh! Duel 9: "The Cards with Teeth (Part 1)"|
Sugoroku's friend is an unnamed character in the Yu-Gi-Oh! manga.
Sugoroku Mutou's friend is a gamer from America. Kazuki Takahashi has hinted that he might have been acquainted with Maximillion J. Pegasus and acquired the "Blue-Eyes White Dragon" card from him.