Game shark codes:

Master code "must be on"
896837559E08713E
89CA6F5A8265EEDB

Unlimited health  
30C141051A944668 

Max coins  
C9B176C46013520E  

Max heart gauge  
216F61B1FCD26964  

Flat Wario   
B40B3F62FCB4DAD3

Puffy Wario  
D8BED0D305F9F25A 

Bat Wario   
5529CF50650F2DEE 

Snowman Wario   
B7491590C4C93201

Bouncy Wario   
5BDB0D19FFB9F9BE 

Zombie Wario   
F7BEAF58E45DC387 

Frozen Wario   
72871B620DE729C2

Flaming Wario   
1B66F78B79B1ED65 

Fat Wario   
F0C00B246183E508