During his MMA fighting years, Genki Sudo was already known for somewhat theatrical entrances and performances on the rings.
After retiring in 2006, he pursued that side of his personality and in 2009 he founded the electronic band World Order, in which he writes, sings and choreographs.
Take a look at one of the band’s videos.
After that, take a look at Sudo’s MMA highlight
http://www.youtube.com/watch?v=AM7M-EfwcD0