 Bikeman (バイクマン "Baikuman") is a Machine Choujin the form of a motorbike and served as Kinnikuman Zebra's Center Guard.At first, he was called Riderman (ライダーマン), but a character with the same name appeared in Kamen Rider V3, so it was changed to Bikeman.He is usually shaped like a normal human, but he can transform into the shape of an autobike.