Doom says live lip-syncing and that impostor shit has been orchestrated by him as a basis for understanding his new album Doompostor. I can't remember the source, but trust me on this. That doesn't mean he didn't think of this now, tho... after seeing the reaction..
http://i21.photobucket.com/albums/b2...t/e4ab91f1.jpg
http://www.penguin.com.au/covers-jpg/9780141500669.jpg