I never saw him all that great (mind you, I played the game last like 9 years ago).
Baten Kaitos
Main hero: Kalas
It was unexpected.
Kefka was great for his own and only "success" story.
The 10 Wise Men
a la Star Ocean 2 had a *ton* of potential technically. THat whole space opera with billion year old Nedians was cool.
That and they *do* destroy Expel
Tales of the Abyss
Vaan is seen in the first 10 minutes and the last.
He's strong and stopped at nothing. I like the depth on his past too.
Xehanort (Birth by Sleeps's)
HE'S BALD!! HE DOESN'T LOOK LIKE A HANDSOME NOMURA DESIGN!!!! Probably more akin to a Disney-looking villain than has thus far been seen in the series. And. 3 Words. Leonard Fucking Nemoy. LEONARD!
EVERYONE RESPOND TO THIS AND AGREE GODDAMIT!Chrono Cross
There is something beautiful about the biological/evolutionary approach that's attached to him. A rare motive.
Suikoden III
Lukc, Serah, Albery, Yuber. Particularly in Chapter 6. ;)
Breath of Fire IV
Does it count? Fou-Lu. He's so sweet. :P