Lessee... There's a couple antagonists from Xenogears that have really decent personalities, like Ramsus and Krelian, but the general terror Miang always invoked in me is pretty incomparable. Lavos is nice and all, but it was the Time Devourer that evoked all the emotion: (SPOILER)sucking up the entire universe out of pure despair, and it's Schala, dammit! Eve from "Parasite Eve" is looking promising, but I've only just started the game, so...