|This article is about a/an ally in Kamen Rider Zi-O.|
Kamen Rider Zi-O: Over Quartzer
Born in 1558, Gyuzo served as Oda Nobunaga's bodyguard and became a follower of Geiz Myokoin after seeing his transformation. Later, he traveled to present day and helped Go Shijima rescue the imprisoned Sougo Tokiwa.
Behind the Scenes
Gyuzo is portrayed by Jiei Wakabayashi (若林時英 Wakabayashi Jiei).
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