Tsuyoshi Koyama (小山 剛志 Koyama Tsuyoshi) provided the voice for Kamen Rider Odin and the various Visors in Kamen Rider Ryuki. He later voiced the Rhino Imagin in Kamen Rider Den-O. He also voiced Eubulon in the Japanese dub of Kamen Rider Dragon Knight. He once again voiced the Drag Visor in Kamen Rider × Super Sentai: Super Hero Taisen. Outside the Kamen Rider Series, he is known as the voice of Bang Shishigami in the BlazBlue series and PoH in Sword Art Online.