About:
Teppei Koike (小池徹平) is a Japanese singer and actor. Koike and Eiji Wentz (ウエンツ瑛士) forms the singer-songwriter duo WaT. The duo released their debut single Boku no Kimochi (僕のキモチ) in 2005.

• Known For
• 
  ミュージカル「るろうに剣心　京都編」
• 
  1789 -Lovers of the Bastille-
  as
  Ronan Mazurier
• 
  Lovely Complex
  as
  Atsushi Otani
• 
  Sabu and Ichi's Detective Stories
  as
  Sabu
• 
  Death Note: The Musical
  as
  L