The King of Listenoise or of the Isles. He is a son of Pellam, brother of Pelles, and father of Aglovale, Lamorak, Percival, and others. While in pursuit of the Questing Beast he encounters Arthur, who challenges him to a joust. During their joust, Arthur breaks his sword, the one he had pulled from the stone, and Merlin gives him Excalibur as a replacement. Subsequently, Pellinore becomes Arthur's ally.

In the final days of the Round Table, Pellinore slays the rebellious Lot. Years later, Lot's sons, Gaheris and Gawain, kill Pellinore and Lamorak.