It wouldn't be right to NOT include this villain. She's always scared me, and I'm still afraid of her today! I am convinced that this lady is completely psychologically unstable. I'm in college and minoring in Psychology, so I tend to unconsciously analyze people. Anyway, she's unstable because she wants to be the fairest of them all, yet turns herself into an ugly old hag! She also has no mercy for anyone but herself, and she will do anything to be prettier than anyone else. Let me also say that this lady freaks me out as the old hag. She has a scary laugh, and she always makes exaggerated facial expressions.
Here's a clip of her as the queen:
And here's the clip of her as the old hag. You'll understand what I mean about the facial expressions: