ビリー・ブランクス
"Billy Wayne Blanks (born September 1, 1955) is an American fitness guru, martial artist, actor, and the inventor of the Tae Bo exercise program." [1] 

Billy also has a fitness program called "Billy's BootCamp" (ビリーズブートキャンプ). It was very popular in Japan. 

h4. Links 

* [1] Wikipedia entry on Billy Blanks - "English":http://en.wikipedia.org/wiki/Billy_Blanks , "Japanese":http://ja.wikipedia.org/wiki/ビリー・ブランクス 
* Wikipedia entry on "Billy's BootCamp" - "English":http://en.wikipedia.org/wiki/Billy's_Bootcamp , "Japanese":http://ja.wikipedia.org/wiki/ビリーズブートキャンプ 
* Pixiv tag search 
** "ビリーズブートキャンプ":http://www.pixiv.net/tags.php?tag=ビリーズブートキャンプ (Billy's BootCamp) 

billy blanks