Anything by Kefka.
Anything by Kuja.
And the following from FFII...

"You should consider what I am about to do a great honor... I shall kill you personally!"
-The Emperor

"You're planning on going INTO that thing!? You do realize you're quite mad...
-Paul (refering to the Cyclone)

"Trustin' pirates doesn't say much for the space ye got between yer ears."
-Leila

"Alright, this time you'regoing to Hell!? You must be the stupidest sons of - look, just promise me you'll come back safe."
-Paul

"Yet still you are insects, unworthy even of being crushed under my foot."
-The Emperor

"The thought of doing anything for his precious 'glory' makes me sick to my stomach."
-Imperial soldier, about Borghen

"You, blow up the Dreadnought? Yuo couldn't blow your way out of a cloth sack!"
-Old man in Altair

"Never fear, I am the true princess. What's this? I could swear you were blushing."
-Hilda