Remember the time Mario Bros came out on NES and you had to beat level 1-1. Somehow, someone put M. Bison from Street Fighter II on SNES into that game and look what happens.
http://www.youtube.com/watch?v=p4alO2LMPNM&feature=Favorites&page=1&t=t&f=b
http://www.youtube.com/watch?v=p4alO2LMPNM&feature=Favorites&page=1&t=t&f=b