who who is mordred
Behind the scenes. Mordred is an important character in Arthurian legend: son of King Arthur and Morgause, who were half-siblings. Mordred is Arthur's deadliest foe. Mordred's forces faced Arthur's at the apocalyptic Battle of Camlann, in which Mordred died having dealt a fatal blow to Arthur, who died soon after. In Doctor Who, Morgaine mentions a romantic encounter with Arthur, but the identity of Mordred's father is never stated.