Thin players:
Select two player mode, then have player one press L1 + R1 + Left Analog-stick 
Forward and player two repeatedly press Select simultaneously during game play. 

Fat players:
Select two player mode, then have player one press L1 + R1 + Square + Left 
Analog-stick Forward and player two repeatedly press Select simultaneously 
during game play. 

Big and small players:
Select two player mode, then have player one press L1 + R1 + X + Left Analog-
stick Forward and player two repeatedly press Select simultaneously during game 
play. 

Gorilla players:
Select two player mode, then have player one press L1 + R1 + Circle + Left 
Analog-stick Forward and player two repeatedly press Select simultaneously 
during game play. 

Unlock Origan
At the start menu press SQUARE, SQUARE, SQUARE, TRIANGLE, TRIANGLE, 
TRIANGLE, and then press CIRCLE, CIRCLE, CIRCLE, UP, UP, UP, DOWN, LEFT, 
LEFT.