Infinite power for all characters
At the "Extras" screen, press Plus, Left, Right, Plus, Minus, Z. If you entered the code correctly, you will hear a sound.
All Clichés
At the "Extras" screen, press Left, Minus, Right, Plus, Right, Z to unlock all Clichés. If you entered the code correctly, you will hear a sound.
All movies
At the "Extras" screen, press Minus, Left, Minus, Right, Plus, C to unlock all movies. If you entered the code correctly, you will hear a sound.