Which actor, known for his character in 'The Man of a Thousand Faces', was a master of makeup and characterization in silent films?

Lon Chaney was an American actor known as 'The Man of a Thousand Faces' for his ability to transform himself with makeup and characterization into a variety of grotesque and complex characters, standing out in horror and drama films such as 'The Phantom of the Opera' and 'The Hunchback of Notre Dame'.