Tommy Swann is a fictional character from the novel "The Last of the Really Great Whangdoodles" by Julie Andrews Edwards. He is portrayed as a curious and adventurous boy who embarks on a magical journey with his sister and a friend. Together, they seek to find the elusive Whangdoodle, a whimsical creature that embodies imagination and wonder. In the story, Tommy's character represents the spirit of exploration and the importance of believing in the extraordinary. His interactions with the Whangdoodle and other fantastical beings highlight themes of friendship, courage, and the power of dreams.