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Master Shimo (マスターシモ Masutaa Shimo) also known as Mister Down (ミスターダウン Misutā Daun) is a character in BakuTech! Bakugan. He is the teacher of Harubaru and Raichi.


Master Shimo makes his debut in the first episode where he acted as a referee in the Bakugan Dojo brawl of Harubaru Hinode against Raichi Kuronashi. He declared Harubaru Hinode as the winner and gave him metal cross parts as a prize.

In the ninth episode, it was revealed that Master Shimo had a fierce rivalry against Master Jyou while they were under the tutelage of Quilt. Quilt gave Shimo the Dojo despite that Jyou is a better brawler because of the latter's inflated ego. As a result, Jyou left the dojo and vowed revenge against Shimo. The scene also reveals that Master Shimo used to be a Pyrus Brawler with a Blue Blaze Gus Burnan as his Guardian Bakugan.





BakuTech! Bakugan (Anime)[]

Opponent(s) Episode(s) Outcome
Jyou (flashback) 9 Lose


Master Shimo's name is taken from the Japanese Word 'Shimo' (下, Shimo?) which means Under or Lower. It directly contrasts the meaning of Master Jyou's name. The alias of "Mister Down" was derived from this.


  • A namesake of his appears in BAC tournaments around Japan as the tournament referee.