Curious George GameCube Cheats

 Ape mode:

 Press Start to pause game play, then hold Z and press B, B, A, Y, B. 
 Unlimited bananas:

 Press Start to pause game play, then hold Z and press A, X, X, Y, A.
Fez and rollerskates:

 Press Start to pause game play, then hold Z and press X, A, A, A, B. 
Reversed gravity:

 Press Start to pause game play, then hold Z and press Y, Y, B, A, A.





Thanks to Revolution Readers eddie and Man in the Yellow Hat!