Kim Possible Cheats For Gamecube

Unlimited lives:
Hold L + R and press Y(3), X during game play.

Extra life:
Hold L + R and press A(3), Y, X, Y during game play.

Full health:
Hold L + R and press A(3), Y during game play.

All gadgets:
Hold L + R and press Y(2), X, B, A, Y(2), A during game play.

Bueno Nacho costume:
Have the Game Boy Advance game Kim Possible: Revenge Of Monkey Fist in the cartridge slot.

Commando costume:
Have the Game Boy Advance game Kim Possible 2: Drakken's Demise in the cartridge slot.

Super Suit costume:
Have the Game Boy Advance game Kim Possible 3: Team Possible in the cartridge slot.