Man in the Iron Mask one ever saw his face because it was hidden by a mask of black velvet cloth, the true identity of the prisoner remains a mystery; it has been extensively debated by historians, and various theories have been expounded in numerous books and films. Among the leading theories are those proposed by writer and philosopher Voltaire: he claimed in the second edition of his "Questions sur l'Encyclopédie" (1771) that the prisoner wore a mask made of iron rather than of cloth, and that he was the older, illegitimate brother of Louis XIV. What little is known about the historical Man in
Evil twin the role of dualistic twins. In literature, "Beowulf" has been cited as an early example of the evil twin story. Although it does not feature biological twins or even characters that seem to have similar appearances, the precise language suggests that the monsters are evil reflections of the hero. A notable early use of the modern concept of evil twins in film is 1939's "The Man in the Iron Mask". This adaptation of a part of the novel "The Vicomte de Bragelonne" by Alexandre Dumas made a key change to the source material by suggesting that the plot's central twins