Tatsuya Tsutomu
勉達也, べんちゃん, Benchan
Benchan his full name Tsutomu Tatsuya was first introduced in the Duel Masters Victory season of the Duel Masters anime.
He was one of the prominent protagonist in Kattas dueling era and rose to the ranks of the Elite Four in the Versus Saga.
Source: Duel Masters Wiki
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