Nosferatu: The monster who still terrifies, 100 years on Getty Images From his shadow to his gaunt face, the vampire Count Orlok in 1922's Nosferatu: A Symphony of Horror remains one of film's most spine-tingling creations. He is, says Cristina Massaccesi, in her guide to Nosferatu for the Devil's Advocates horror history series, "the Ur-Vampire, the father of all undead …