Kamen Rider Geiz (仮面ライダーゲイツ, Kamen Raidā Geitsu) can refer to the following identities: Like Zi-O, Geiz transforms by inserting the Geiz Ridewatch into the right-hand side of the Ziku-Driver and rotating the Driver 360 degrees. He accesses Rider Armor (ライダーアーマー, Raidā Āmā)[1] forms based on previous Kamen Riders by inserting Ridewatches into the left-hand side of the Ziku-Driver.[2] Kamen Rider Geiz's ending theme is entitled "FUTURE GUARDIAN", and is performed by Geiz (Gaku Oshida) himself. Zik