Mathew, known as Tsuyoshi Shimizu in the Japanese version, is a character appearing in the Tag Force games.
In Tag Force 1, he appears as an Obelisk Blue student who is usually spacing out and, except for Tag Duel Sundays, he is always with Craig, a Ra Yellow Student.
In the third event of Luna's story, Mathew and Terence, under Devack's control, Duel against the player and Luna.
In his own story, he competes with the player against Carly Carmine and Luna in the Preliminaries, Misty Tredwell and Leo in the quarter finals, Crow Hogan and Akiza Izinski in the semi-finals and Jack Atlas and Yusei Fudo in the finals. For completing the story, the Player will receive a photo of himself, Mathew and Enzo called "Tops Guy".
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