Tarrant Hightopp, commonly known as the Mad Hatter, is a fictional character from Lewis Carroll's novels, particularly Alice's Adventures in Wonderland and Through the Looking-Glass. He is characterized by his eccentric behavior, whimsical fashion, and a penchant for riddles and nonsensical conversations. The Mad Hatter is often depicted wearing a large hat and is associated with tea parties and peculiar antics. In various adaptations, including films and animated versions, Tarrant Hightopp is portrayed as a friend to Alice, the story's protagonist. His character embodies themes of madness and creativity, often reflecting the chaotic nature of the Wonderland setting. The Mad Hatter's iconic status has made him a popular figure in literature and pop culture.