Extras menu codes

Enter the code while in the "Extras" menu screen. If done correctly you will hear Bart laugh
(Note, Left/Right refers to the control pad and L/R refers to the shoulder buttons

Triangle, Left, Right, Triangle, Square, L	Unlimited power for all characters.
Square, Left, Square, Right, Triangle, R	Unlock all Movies
Left, square, right, Triangle, Right, L	Unlocks all Clichés