Yeah, Kefka take the cake for best FF villian ever, end of discussion.

Not that Sephiroth wasn't bad, who doesn't love a Bishi crazy dude with a big sword?

It's just that he(and every other villian) pales in comparison to Kefka.

Other than the big K, I also like Seymour, Zemus, Zande, and Kuja.