Teppei Koike

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Koike Teppei
小池 徹平
Birth name Koike Teppei
Also known as Teppei
Born (1986-01-05) January 5, 1986 (age 29)
Origin Osaka, Japan
Genres Pop, trance
Occupation(s) Singer, singer-songwriter, actor
Instruments Guitar
Years active 2002–present
Labels Universal Music Group, A&M
Associated acts WaT
Website www.teppeifc.com

Teppei Koike (小池 徹平 Koike Teppei?, born January 5, 1986) is an actor and singer from Japan. He was born in Ōsakasayama, Osaka Prefecture. He belongs to the production company Burning Productions and is a member of the singer-songwriter duo WaT with his partner, Eiji Wentz.



  • Attended Osaka Furitsu Nagano High School.
  • Was the grand prix winner of the fourteenth Junon Super Boy Contest.



  • WaT released debut indies C.D. Sotsugyō Time in June.


  • Acted in the drama Gokusen 2 (January 15 - March 19) , which was part of the reason for his increasing popularity.
  • Appeared as Hideki Ogata, a major, regular character in the TBS television drama "Dragon Zakura" (July - September 2005), alongside his high school fellow Tomohisa Yamashita.
  • WaT signs with Universal Music in August, releases first major single Boku no Kimochi in November, reaching second place on the Oricon chart. They are the band with the shortest time gap between debut and appearing on NHK's Kōhaku Uta Gassen.
  • Released his first photobook, First Letter From Teppei.


  • Presented with the Newcomer's forty-third Golden Arrow Award (WaT).
  • Presented with the twentieth Gold Disc Award for "Best New Artist".
  • First leading role in the movie Lovely Complex as Atsushi Otani.
  • Official supporter in 2006's International Volleyball Tournament (WaT).
  • Nominated for the Best Supporting Actor in the forty-ninth Drama Academy Award, for his performance in Iryu.
  • Released his second photobook, Kiss me, Kiss me.
  • On New Year's Eve, WaT performed for the second time in N.H.K.'s Kōhaku.
  • Acted in the drama Iryu, as Ijyuuin.


  • First music solo project was announced on January tenth.
  • His story of leaving his family and hometown to pursue his dream to be a performer was turned into a fifty-two pages one shot manga entitled Bokura no Ibasho by Nakahara Aya, the author of the manga Lovely Complex.
  • Solo single, Kimi ni Okuru Uta, was released on February fourteen, Valentine's Day, with Wentz's solo song Lucky de Happy as the B-side song.
  • Solo album, Pieces was released on the 27th of June.


  • Performed as "L" in the Death Note musical in Tokyo, Osaka and Nagoya, Japan, premiere April 6th 2015.

Personal profile[edit]

Personal Information[edit]

  • His immediate family consists of his father, mother, and a younger brother.
  • The name "Teppei" came from his father's favourite manga, Ore wa Teppei.
  • His cousin, Kyomoto Taiga, is a member of Johnny's Junior.

Eiji Wentz[edit]

  • He is really good friends with Eiji Wentz. They often visit each other's houses, watch movies and go out to eat together. When they were doing street lives, they often borrowed each other's clothes.
  • Teppei calls Wentz "Ei-chan".
  • They have spent Christmas together ever since they met. (The first year, they took purikura in Shinjuku; the second year, they ran a marathon for their Indies debut PV; the third year, they ate at a hamburger shop; the fourth year was a WaT event and Love*Com photo shoot)
  • For Wentz's 20th birthday, Teppei bought him underwear- a lot of it. (Wentz has showed up on variety TV wearing just underwear a lot of times)
  • In "Bokura no Ibasho" (a manga based on Teppei's life story), Teppei said the only thing he had in common with Wentz was their love of music. Other than that, they are complete opposites. ("If we were in the same class or something, I definitely think we wouldn't be friends." - quote from "Bokura no Ibasho")

TV Dramas[edit]

  • Tantei Kazoku (2002)
  • Anata no Jinsei Ohakobishimasu (2003)
  • Okaasan to Isshou (2003)
  • Yankee Bokou ni Kaeru (2003)
  • Houkago - Kaname Komiya (2004)
  • Water Boys 2 - Iwata Iwao (2005)
  • Gokusen 2 - Takeda Keita (2005)
  • Dragon Zakura - Ogata Hideki (2005)
  • Oniyome Nikki - Sawamura Ryousuke (2005)
  • Iryu - Ijuuin Noboru (2006)
  • Iryu 2 - Ijuuin Noboru (2007)
  • Mada Minu Chichi e, Haha e (2007)
  • Shibatora - Shibata Taketora (2008)
  • Ohitorisama - Kamisaka Shinichi (2009)
  • Iryu 3 - Ijuuin Noboru (2010)
  • Propose Kyodai - Yamada Jiro (2011)
  • Amachan - Adachi Hiroshi (2013)
  • Iryu 4 - Ijuuin Noboru (2014)

Variety TV Shows[edit]

  • Ame ni mo makezu! (Fuji Terebi) - host along with his partner, Wentz.

Solo discography[edit]


  • 2007-02-14: 君に贈る歌 (Kimi ni Okuru Uta)
  • 2007-04-25: my brand new way
  • 2009-06-24: キミだけ (Kimi Dake)


  • 2007-06-27: pieces, which contains 12 self-penned songs
  • 2009-07-15: Jack in the Box . Debut position & 1st week sales - #15 ; 10,580


  • Taga Tameni
  • Lovely Complex(first male leading role) as Ōtani Atsushi (2006)
  • My Favorite Girl - a WaT DVD movie project together with Wentz (2006)
  • KIDS - Asato (2008)
  • The Homeless Student as Tamura "Tamuchin" Hiroshi
  • Gokusen the Movie(2009)
  • Black Gaisha ni Tsutometerundaga, Mou Ore wa Genkai Kamoshirenai (2009)

External links[edit]