The fifthKamen Riderand the protagonist of the franchise's third television series. Sometimes referred to as "X Rider." After an attack on his father's laboratory orchestrated by the Government of Darkness, Keisuke Jin is surgically altered into Kamen Rider X and begins his campaign to end the organization's ambitions. X is colored white with a red chest plate and accents. His design is based on a giant water bug, and thus is capable of operating underwater.