One Piece: Grand Adventure Cheats for GameCube

In VS mode go to one of the data files and enter the followng codes to unlock the corresponding effect.
Unlock Level 100 Kuina:
XLtwnrJ1VKLmSwCg
Unlock Level 100 Eneru:
Zzqs6PLNWqblXBH
Unlock Level 100 Mihawk:
PP72dQw83R7Wdfnf
Unlock Level 100 Trace (Ace):
P9wRrM9Bw86cK528

Unlock Ohm:
In Crocodile's Adventure mode recruit Ohm as your ally in the Jaya area and win a battle using him.
Unlock Eneru:
In Crocodile's Adventure mode recruit Eneru as your ally in the Jaya area and then win a battle using him.
Unlock Mihawk:
In Chaser's (Smoker) Adventure mode recruit Mihawk as your ally and then win a battle using him.
Unlock Mr. 2 Bon Clay:
In Crocodile's Adventure mode recruit Mr. 2 as your ally and then win a battle using him.

Unlock Shanks:
In Buggy's Adventure mode recruit Shanks as your ally and then win a battle using him.
Unlock Trace (Ace):
In Buggy's Adventure mode recruit him in Drum Island and then win a battle using him.
Unlock Nico Robin:
In Luffy's Adventure mode recruit her as your ally at the end and then win a battle using her.