Thorin is a character that appears in J.R.R. Tolkien's book "The Hobbit." Thorin Oakenshield is the leader of a company of dwarves on a quest to reclaim their homeland from the dragon Smaug. He is also one of the main characters in the book. "The Hobbit" was first published in 1937 and serves as a prequel to Tolkien's epic fantasy series, "The Lord of the Rings."