Def Jam Vendetta

D-Mob (Alternate Costume)
Press L1, L2, R1, R2, then enter the following:
Square, Square, Triangle, Square, Square.
(Thanks to armandofunes@sbcglobal.net)

Method Man
Press L1, L2, R1, R2, then enter the following:
Square, Circle, X, Triangle, Circle.
(Thanks to armandofunes@sbcglobal.net)

Peewee (Alternate Costume)
Press L1, L2, R1, R2, then enter the following:
X, Triangle, Triangle, Square, Circle.
(Thanks to armandofunes@sbcglobal.net)

Snowman
Press L1, L2, R1, R2, then enter the following:
Triangle, Triangle, X, X, Circle.
(Thanks to armandofunes@sbcglobal.net)

T'ai
Press L1, L2, R1, R2, then enter the following:
Circle, Circle, Square, X, Circle.
(Thanks to armandofunes@sbcglobal.net)