Hmm... the first villain that comes to mind is Ursula, from the Little Mermaid because I am a sucker for Disney movies and The Little Mermaid is one of my favorites. Plus I love the song Poor Unfortunate Souls :) She is so dark, evil and rocks black and purple so well!
But my favorite (non-Disney movie) villain from a book would have to probably be Ridley from The Castor series ( I am working on finishing the series at the moment, so my pick is from books 1-3). I love her spunky personality and her on and off relationship with Link. She also has fun fashion and snarky lines she spits at Ethan and Link. I debated for a bit if she was a villain or not, but so many bad guys have a tendency to change their ways during the book it was hard for me to pick one. I like Anna, the "murdering ghost" from Anna Dressed in Blood as well, but I don't know if I would consider her true villain either.
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