|Control All Opponents
When the battle begins quickly tap A, B, C, Up, A, C, A, B, A.
Fight Any Battle
Hold: Start on 2P then reset the system. Let go of Start and hold: A+C on 2P. Select continue and wait until the girl says good luck. At that instant hold: A on 1P while continuing to hold: A+C on 2P.
Start a new game and go to the Name Your Character screen. Put the cursor on end and hold: Start+A+B+C on 2P while holding: Start+A+C on 1P. You will see another character. Continue this until to name all characters or until you please.