The Tin Woodman is a character from L. Frank Baum's classic children's book, "The Wonderful Wizard of Oz." He is a man made entirely of tin who desires a heart, believing it will allow him to feel emotions. The Tin Woodman is known for his kind and gentle nature, often helping others on his journey to meet the Wizard. In the story, the Tin Woodman joins Dorothy, Scarecrow, and Cowardly Lion on their quest to find the Wizard of Oz. His character symbolizes the importance of compassion and empathy, showing that one does not need a physical heart to care for others.