Wicked Witch of the West (Oz)

The Wicked Witch of the West is the main antagonist of The Wonderful Wizard of Oz, the first novel of the famous Oz series by L. Frank Baum.
She is a malevolent witch who rules over the Winkie Country, as well as Dorothy's arch-nemesis. She desires the silver slippers Dorothy wears due to their great powers in order to conquer and rule the land of Oz.