RyomaSengokuinHospital "I need to collect more data to complete my research."
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This article is about a/an henchman, villain & rider in Kamen Rider Decade.

Uu (ウー Ū). also Uuey-chan nicknamed by Yusuke Onodera, is the Dai-Shocker Combatman who wanted to become a Kamen Rider. However, he was brain-washed into the Shocker Kaijin. Fortunately, he was saved by Kamen Rider Kuuga, Yusuke Onodera, before he became a Riotrooper.