Harry Potter
Lord Voldemort: The main villain of the series and responsible for the death of Harry's parents. He is feared throughout the wizarding world, and is often referred to as "The Dark Lord", "He Who Must Not Be Named", or as "You Know Who", as wizards believe naming him will somehow call him. Prior to his infamy he was known as Tom Marvolo Riddle. The part was played in different movies by actors Richard Bremmer, Christian Coulson, Ralph Fiennes, Hero Fiennes-Tiffin, and Frank Dillane.