Eiji Hino (火野 映司, Hino Eiji) is the main protagonist of Kamen Rider OOO. He was a traveler who transformed into Kamen Rider OOO (仮面ライダーOOOオーズ, Kamen Raidā Ōzu), later briefly mutating into the Eiji Greeed (映司グリード, Eiji Gurīdo). Ten years later, he temporarily transformed into Kamen Rider Goda (仮面ライダーゴーダ, Kamen Raidā Gōda).