
After his big win over Big Nog, Frank Mir was on the set of UFC Undisputed, where he was doing motion capture exercises for the game. The director thought he was pranking Frank by making him do silly moves, but Mir turned the tables and pranked the director so bad that the guy has started wearing Depends to work. Yes, Frank Mir is a scary dude when he's mad--or pretending to be mad. Check out the video.