Esme Weatherwax is a fictional character from the Discworld series created by author Terry Pratchett. She is a powerful and no-nonsense witch known for her strong will, intelligence, and deep understanding of human nature. Esme often serves as a moral compass in the stories, using her abilities to help others while maintaining a strict code of ethics. Esme is a member of the Lancre coven and is often seen alongside her friends Nanny Ogg and Magrat Garlick. She is characterized by her distinctive black dress, pointed hat, and a sharp tongue. Esme's character embodies themes of wisdom, responsibility, and the complexities of magic in the Discworld universe.