South park
Choose "ENTER CHEAT" from the main menu. Press
     left or right on the D-Pad, or C-Left & C-Right
     buttons to change the letter on the "Cheesy Poofs
     secret decoder". Press START or A to enter a letter.
     Press B to enter the cheat. If a code was entered
     correctly it will show which cheat was activated on
     the screen.

      PHAERT-Phillip
      RAFT-Terrence
      STARINGFROG-Jimbo
     HAWKING-Ned
            QUIBTERD-hidden weapons
SCREWYOUGUYS-view credits
CHEATINGISBAD-Mr. Mackey in multiplayer
         CHRISTMAS-Mr.Hankey
     SLAPUPAMEAL-Unlock Starvin Marvin
        ASSMAN - Invincibility
        THEEARTHMOVED - Level select
     FATKNACKER - All weapons
     FATTERKNACKER - infite ammo
     PLANERIUM - Pen & Ink mode
     VEGGIEHEAVEN - skinny mode
     MEGANOGGIN - Big Head mode
     OMGTKKYB - Acess all multiplayyer characters