Who is Sinon, Elliot Page’s Greek mythological character in The Odyssey?

Christopher Nolan’s adaptation of Homer’s ancient Greek epic the Odyssey has a star-studded cast, including trans actor Elliot Page. When news of Page’s casting first emerged, a number of right-wing pundits were left furious, as it was rumoured that he would be playing the mythological character of Achilles. Nolan has since branded the backlash to…