I'd probably go with Demyx, Roxas, Axel, and Xigbar.
I forgot exactly when I obtained Anti-form, but I think it was during the first visit through Beast's Castle.
I immensely enjoyed fighting Sephiroth. it gave me this certain thrill when battling him and also being pwned by him. though I wouldn't mind fighting the one-winged angel again. then again he has four wings and not one... next time I'll fight him with Sweet Memories!! 8D insane, yes. total thrill, hell ya! xD
I thought it was nice break from the story line, though... every time I heard Donald sing I would bust out laughing and my timing would be completely off. XD not that it was already off to begin it. >>;
