The Wicked Witch of the West is a fictional character from L. Frank Baum's book, "The Wonderful Wizard of Oz." She is known for her green skin, pointed hat, and powerful magic. The witch rules over the West and is feared by the inhabitants of Oz. Her primary goal is to obtain the Ruby Slippers worn by Dorothy, the story's main character. In the story, the Wicked Witch of the West is portrayed as a villain who seeks revenge against Dorothy for accidentally killing her sister, the Wicked Witch of the East. Throughout the tale, she uses her magic to create obstacles for Dorothy and her friends, including the Scarecrow, Tin Man, and Cowardly Lion. Ultimately, her character represents the theme of good versus evil in the narrative.