The dancing fellow is named Mike Long. He is from Hamilton, Ontario, in Canada. From his website, thelonger.com:
Mike Long is a social rocktivist. He is vegan, and has been so for seven years. He is anti-racist, anti-sexist, anti-homophobic, pro-choice, and pro-party. He wishes that everyone would do whatever it is that they want to do, as long as they are not walking all over someone else’s civil liberties. […]
He is dancing to the song "Agitated," by Cleveland's the electric eels. He dances to all kinds of songs; check out his website for more info.
