Gentaro Kisaragi (如月 弦太朗 Kisaragi Gentarō)[1] is Kamen Rider Fourze (仮面ライダーフォーゼ Kamen Raidā Fōze), the main protagonist in the series of Kamen Rider Fourze. His name roughly says Forty, as well as a combination of "Four" and "Zero", an indication of the Kamen Rider series' 40th anniversary and the forty different powers and weapons he can access with the Astroswitches.