The Simpsons Game/Cheats

Unlimited power for all characters
Enter the "Extras" menu screen and press the following then ensure with the sound effect resulting from the code; ,, , , , 

Unlock all Cliches
Enter the "Extras" menu screen and press the following then ensure with the sound effect resulting from the code; ,, , , , 

Unlock all Movies
Enter the "Extras" menu screen and press the following then ensure with the sound effect resulting from the code; ,, , , ,