The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Infinite Health P1
8009f7a00400
No Health P1
8009f7a00000
Infinite Health P2
8009f7a20400
No Health P2
8009f7a20000
Enable All Characters
8009f820ffff
Enable All Levels
8009f822ffff
Infinite Power P1
8009f7a40400
No Power P1
8009f7a40000
Infinite Power P2
8009f7a60400
No Power P2
8009f7a60000
P1 Low Health
d009f7a00400
8009f7a00001
P2 Low Health
d009f7a20400
8009f7a20001