モモタロス (Momotaros)

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Momotaros (モモタロス, Momotarosu) is one of Ryotaro Nogami's main Imagin allies, and a member of the four Taros aboard the DenLiner. When possessing Ryotaro or by himself, he can transform into Kamen Rider Den-O (仮面ライダー電王, Kamen Raidā Den'ō)'s Sword Form (ソードフォーム, Sōdo Fōmu), later representing the Den-O series in Ryotaro's absence.