The character 'Tuor' appears in J.R.R. Tolkien's book "The Silmarillion." He is a significant figure among the Elves and Men in Middle-earth, who played a decisive role in the events leading up to the defeat of Morgoth. Tuor is the father of EƤrendil the Mariner, who journeys to Valinor to seek the aid of the Valar against Morgoth.