In story mode beat the game with Van Reily, John Bishous and Tenrou Ugetsu to get three secret characters.

At the title screen press L2, R2, L1, R1, Up, Trangle, Left, Right, Square, Circle, Down, X.

At the title screen press Circle, R2, R1, Triangle, X, Square, Right, L2, L1, Up, Down, Left

At the title screen press L2, L1, Up, Left, Down, Right, Square, X, Circle, Trangle, R1, R2.

At the title screen press R2, R1, Triangle, Circle, X, Square, Right, Down, Left, Up, L1, L2.

At the title screen press Left, L2, L1, Up, Down, Right, Square, R1, R1, Triangle, X, Circle.

Press Select 12 times at the title screen.