This requires 2 players.
Go to the create-a-character room and testdrive them one player goes on the stand and the other player shoots the player on the stand to death the player shooting the player on the stand then goes on there stand before the dead player come back to life then exit create-a-character and the player that died will be the created character but without a head then do the same with the other player and both players will be headless.
WARNING: eventually you will become headless indiana jones then the game may stuff up and freeze but the music will keep on going
FUNNY: If you switch character at the school the headless created character will walk around the school