Infinite stamina:
At the main menu, press R (2), B, R (2), B.
Indestructible weapons:
At the main menu, press L, R, L, R, C-Left (2).
Big women wrestlers:
At the main menu, press R (2), B (2), L (2).
Small wrestlers:
At the main menu, press R (2), L (2), C-Left, C-Right.
Alternate grunts:
At the main menu, press R, L, R, L, B (2).