Shapool

Shapur (シャプール) is the heir of a foreign country who visits Zawame City as part of an inspection. He is physically identical to Kaito Kumon. Eager for some freedom, Shapur finds Kaito, sedates him and steals his clothes. He then appears before the Beat Riders, posing as Kaito.

Behind the Scenes
Shapur is portrayed by Yutaka Kobayashi (小林 豊), who also portrays Kaito Kumon in the same series.