Kamen Rider Delta (仮面ライダーデルタ, Kamen Raidā Deruta, Masked Rider Delta) or SB-333 Kaixa (SB standing for Smart Brain) is the tertiary rider of Kamen Rider 555. Its gear is the last of the Rider Gears seen in the series. Its motif is the Greek letter delta (Δ).
