KORBY or Katsuya Kobayashi is a Japanese voice actor, disc jockey and narrator. He provided the voice of the Build Driver and Nebulasteam Gun in Kamen Rider Build. He also provided the voice of the Kamen Rider Build Gashat. He was also the chorus of the New Kamen Rider song Kagayake! Hachinin Rider, which was the theme of Eight Riders vs. Galaxy King and the second ending of the show.
2024One Day in ShimokitazawaMovieas Katsuya2019The Great War of ArchimedesMovieas Mineo Osumi2019Kamen Rider Build NEW WORLD: Kamen Rider Cross-ZMovieas Build Driver (voice)2018Kamen Rider Prime RogueMovieas Build Driver (voice)2018Kamen Rider Build: Be The OneMovieas Build Driver (voice) (uncredited)
2018Kamen Rider Build: Birth! Bear Televi!! VS Kamen Rider Grease!Movieas Build Driver (voice)2018Kamen Rider Build: Raising the Hazard Level ~7 Best Matches~TV showas Build Driver (voice) · 3 episodes2017Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend RidersMovieas Build Driver (voice)
2017Home Sweet TokyoTV showas Sawa Hiroyuki · 1 episodes2017Ramen HeadsMovieas Self2017Kamen Rider BuildTV showas Build Driver / Nebulasteam Gun / Genius Fullbottle (voice) · 49 episodes2017Kamen Rider Build: Transformation Lessons ~The Laws Of Transformation Are Set!~TV showas Transteam Gun Voice · as Build Driver Voice · 2 episodes2012Rent-a-CatMovieas Sayoko's Neighbour
2007Little DJMovieas Makoto Ozaki
2002OlfactogramMovie1998A Class to Remember III: The New VoyageMovieas Murakami
1998Welcome Back For An Extracurricular Lesson, SempaiTV showas Self · 1 episodes1997Woman in Witness ProtectionMovieas Film Director
1996Futari no Shiso GemuTV show2 episodes
1995Salaryman SenkaMovieas Shachou
1994Reiko, Sister of the MobMovieas Masataka Otake
1991The Man With No NameMovie
1991Taro! Momotaro in TroubleMovie1991Super Rescue SolbrainTV showas Seiichi Kasahara · 1 episodes1989Who Do I Choose?Movieas Kitabayashi1989Blue BlinkTV showas Tanba (voice) · 39 episodes1988RevolverMovieas Yasuo Akune1987Youjo MelonMovieas MC on stage/a ninja on TV1984The Crazy FamilyMovieas Katsuhiko Kobayashi1984LensmanMovieas DJ Bill (voice)
1981Fifth MovementMovie1971Kamen RiderTV showas Build Driver (voice) · 49 episodes