For his Bujin counterpart, see Kamen Rider Bujin Den-O. Ryotaro Nogami (野上 良太郎, Nogami Ryōtarō) is the main protagonist of Kamen Rider Den-O. He is a Singularity Point who journeys across the timeline as Kamen Rider Den-O (仮面ライダー電王（デンオウ）, Kamen Raidā Den'ō) alongside the Taros onboard the DenLiner. He was temporarily possessed by the Ghost Imagin and forced to become Kamen Rider Yuuki (仮面ライダー幽汽, Kamen Raidā Yūki) Skull Form (スカルフォーム, Sukaru Fōmu). Due to his special status as Den-O, he can resis