Stu and Tom are the referee and commentator for Duel Masters professional-level matches in the anime season.

Stu started to make an appearance in the second and third season as a referee. We also learn that he is actually Tom's brother.


In the Japanese version, there is only a single referee, Shou, whereas the animated character, in the North American version, represents 'Tom' whereas 'Stu' is never seen.

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