Mace Griffin: Bounty Hunter

Choose the Electro-Cosh at the weapon selection screen and quickly
press:

L1, R1, L1, R1, X(2), Circle(2), Square, Circle   - Level skip
L1, R1, L1, R1, X(2), Circle(2), Square(2)        - Level select
L1, R1, L1, R1, X, Circle(2), X, Square, Triangle - Invincibility
L1, R1, L1, R1, X, Circle(2), X, Square(2)        - Unlimited ammunition
L1, R1, L1, R1, X, Circle(2), X, Triangle(2)      - Double damage
L1, R1, L1, R1, X, Circle(2), X(3)                - One hit kills
L1, R1, L1, R1, X, Circle(2), X, Circle, X        - Auto-focus on enemies
L1, R1, L1, R1, X, Circle(2), X, Circle(2)        - Big heads
L1, R1, L1, R1, X, Circle(2), X, Triangle, Square - Floating camera view

 