Zeno Story Mode
Press at the title screen Up (2)down (2) right, left, right circle, "X" if it doesnt work swtich the "X" and circle around.
UCKAHEIT, Random Code
Type in UCKAHEIT in the password menu in bonus mode. It will give you either points, cards or Laila.
Press Up, Up, Down, Down, Left, Right, Left, Right, X, Circle at the title screen to unlock Zeno.