Universal Classic Monsters is a name given to the horror, fantasy, thriller and science fiction films made by Universal Pictures during the decades of the 1920s through the 1950s. They were the first shared universe in mainstream film. They began with The Phantom of the Opera, a classic silent film starring Lon Chaney. Universal Classic Monsters continued with talkies including core monsters in the franchise Dracula, Frankenstein, The Mummy, The Invisible Man, The Wolf Man and Creature from the Black Lagoon. The films often featured Bela Lugosi, Boris Karloff and/or Lon Chaney Jr.