|This article is about a/an actor in the Kamen Rider Series.|
Kouhei Takeda (武田 航平 Takeda Kōhei) is a Japanese actor, entertainer, and model who is best known for his role as Otoya Kurenai in Kamen Rider Kiva. In 2017, he portrayed Kazumi Sawatari in Kamen Rider Build. He was formerly affiliated with the entertainment agency, ALC Atlantis, which he left following the expiration of his contract. As of April 1, 2020, he became affiliated with Central Corporation. 
Takeda is a former member of the pop group PureBoys. Several other Tokusatsu actors such as Ryosuke Miura (Ankh from Kamen Rider OOO), Keisuke Minami (Tsurugi Ohtori from Uchu Sentai Kyuranger), Keisuke Kato (Keisuke Nago from Kamen Rider Kiva), and Yukihiro Takiguchi (Akira Hayase from Kamen Rider Drive) are (and were) members of the group.
Takeda entered the entertainment industry at the age of 15 due to his love of music. In 2001, he was scouted and began his career on stage, appearing in a Japanese-production of Anne of Green Gables, portraying Gilbert. Later that year, he was the 14th champion of the Junon Superboy Contest.
In 2006, he took on the lead role of Vaan, the main protagonist of the video game Final Fantasy XII, portraying the character in both voice and motion capture.
Takeda is the middle of three brothers. His father is a Little League baseball coach. His mother is a nurse. His grandparents runs a dry cleaners that has been established for over a century. The shop was featured on the television program Ariyoshi Seminar, where the story and his father were introduced.
- Kamen Rider Kiva (2008) - Otoya Kurenai (main), Masao Kurenai (guest)
- Kamen Rider Decade (2009) - Otoya Kurenai (A.R. World) (guest)
- Kamen Rider Build (2017-2018) - Kazumi Sawatari (main)
- Kamen Rider Den-O & Kiva: Climax Deka (2008) - Otoya Kurenai
- Kamen Rider Kiva: King of the Castle in the Demon World (2008) - Otoya Kurenai
- Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Riders (2017) - Kamen Rider Grease (voice)
- Kamen Rider Build: Be The One (2018) - Kazumi Sawatari
- Kamen Rider Heisei Generations FOREVER (2018) - Kazumi Sawatari
- Kamen Rider Build NEW WORLD: Kamen Rider Cross-Z (2019) - Kazumi Sawatari
- Kamen Rider Build NEW WORLD: Kamen Rider Grease (2019) - Kazumi Sawatari
- This love never ends - credited as Otoya Kurenai
- Beginning~Message 3 - credited as Otoya Kurenai, performed with Koji Seto
- Supernova Love Edition - credited as Otoya Kurenai, performed with Tetra-Fang
- Inherited System (Wonderful Blue Sky Organization)
- With Me
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