|This article is about a/an actor in the Kamen Rider Series.|
Mitsuhiro Oikawa (及川 光博 Oikawa Mitsuhiro) is a Japanese musician, songwriter and actor. He played Kyoichiro Kuroi in Super Hero Taisen GP: Kamen Rider 3.  He also performed the movie's theme song, Who's That Guy.
Mitsuhiro was born in Tokyo, Japan at 1969. Growing up watching the Kamen Rider Series, he aspired himself to become a Kamen Rider actor. He finally got the chance of acting as Kyoichiro Kuroi, at the same time winning the Tokusatsu Hero Audition. His casting as Kyoichiro was kept secret until a press conference at the Tokyo metropolitan area, Oikawa raised his arm at an angle and announced, “it’s been 40 years, and finally I can live my dream.”