"And I never go back on my word. Hmm. How very clever. These beads. They give it just the right touch. Don't you think so, Drizella?" Lady Madonna Tremaine Disney's Cinderella.
"Oh, yes! Yes, my soldiers. Soon the Black Cauldron will be mine. It's evil power will cost through my viens, and I, shall make you. CAULDRON-BORN! Yes! YES! Oh,yes! Then you will worship ME! Me. Oh, my soldiers, how long I have thirsted to be the God, among mortal men!" The Horned King Black Cauldron.
These are the only two Disney Villains to scare the pants off of me when I was a kid, heck even Doom didn't scare me.