Duo may refer to:
https://en.wikipedia.org/wiki/Duo
Us The Duo Couple Cool Singers
http://www.youtube.com/user/MichaelAlvaradoMusic watch em! <3
"As a professor of science, I assure you we did, in fact, evolve from filthy monkey-men."
UsTheDuo
Us The Duo Couple Cool Singers
http://www.youtube.com/user/MichaelAlvaradoMusic watch em! <3