fortunately no.
Only On An Action Replay Max (Not Sure About Earlier Versions).
There's no cheats, but there's a hacking tool called FFXED which can modify your stats and such.
Hi there rlly isn't a cheat exactly but however there is a glitch 2 lvl up a lot. ok go find like 10 lvls higher than u undead has 2 be undead ok and make sure u have a lot of Phoenix downs like 20...
As Gippal said if you didn't hear him: "You can find her in the Bikanel Desert."