Tsukasa Kadoya (門矢 士 Kadoya Tsukasa) is Kamen Rider Decade (仮面ライダーディケイド Kamen Raidā Dikeido) from the series of the same name. He, along with two other Kamen Riders, teams up with The Shinkengers in one episode of Shinkenger and two crossover episodes of Kamen Rider Decade: episodes 24 ("Arrival of the Samurai Sentai" (見参侍戦隊 Kenzan Samurai Sentai)) and 25 ("Heretic Rider, on Call!" (外道ライダー、参る！ Gedō Raidā, Mairu!)).