A little background on Genki Sudo -- he used to be a MMA fighter and competed professionally in UFC and K1. Here's his wiki:
http://en.wikipedia.org/wiki/Genki_Sudo
He was known for elaborate entrance antics back in the MMA days with his crew -- they'd put on a real show. After he retired, he took the crew and started doing music videos. Here's some videos from his MMA days:
[youtube]http://www.youtube.com/watch?v=jHGwHx4Q ... re=related[/youtube]
[youtube]http://www.youtube.com/watch?v=5vMavstU ... re=related[/youtube]
[youtube]http://www.youtube.com/watch?v=SFGjL2I0 ... re=related[/youtube]
[youtube]http://www.youtube.com/watch?v=2Vlnm60W ... re=related[/youtube]
[youtube]http://www.youtube.com/watch?v=qpY6cAdY ... re=related[/youtube]
Post-retirement, Genki Sudo has done some acting work, appeared in TV shows, went back to school to get his Master's degree, authored several books/essays, and started a career in music. He writes the lyrics, compose music, and chronograph his own music videos.
Some of his books include:

"Theory of Happiness" -- Genki Sudo is a Buddhist, and he went on a pilgrimage to 88 Buddhist Shrines. This book is about his journey and learning.

"How to Marry that Person of the Valley of Wind" -- Genki Sudo is a big fan of Miyazaki's work in "Nausicaa of the Valley of the Wind". This book is about using Nausicaa as an analogy to his philosophy on life.

"Let's Cat" -- This lighthearted book is about living in Hokkaido with his 2 cats.
Genki Sudo's blog:
http://crnavi.jp/sudogenki/blog/
Obligatory photo shoot for conspiracy theory fans: ^_^

Documentary:
[youtube]http://www.youtube.com/watch?v=4aiFLiDP ... re=related[/youtube]
[youtube]http://www.youtube.com/watch?v=EwbUv-1J ... re=related[/youtube]
[youtube]http://www.youtube.com/watch?v=0E1sK42p ... re=related[/youtube]
[youtube]http://www.youtube.com/watch?v=JKLIixrO ... ure=fvwrel[/youtube]
TV show guest:
[youtube]http://www.youtube.com/watch?v=2weAb5_B ... re=related[/youtube]