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Horror was Lon Chaney's primary film genre. He was renowned for his ability to transform into grotesque and terrifying characters, earning him the nickname "The Man of a Thousand Faces." Chaney's most iconic roles include the Phantom in "The Phantom of the Opera" (1925), the Hunchback of Notre Dame in "The Hunchback of Notre Dame" (1923), and the Wolf Man in "The Wolf Man" (1941).