1900s movie where characters lose their human form

A young soprano becomes the obsession of a disfigured and murderous musical genius who lives beneath the Paris Opera House.

A series of terrifying accidents and brutal murders leave a bloody trail into the subterranean caverns of an Opera house. Below the theatre stalks a man raised by creatures of the underworld.

After his brother's death, Larry Talbot returns home to his father and the family estate. Events soon take a turn for the worse when Larry is bitten by a werewolf.

Grave robbers open the grave of the wolf man and awaken him. He doesn't like the idea of being immortal and killing people when the moon is full so tries to find Dr. Frankenstein, in the hopes that the doctor can cure him. Dr. Frankenstein has died; however, his monster is found.

A doctor's research into the roots of evil turns him into a hideous depraved fiend.

Dr. Jekyll believes good and evil exist in everyone and creates a potion that allows his evil side, Mr. Hyde, to come to the fore. He faces horrible consequences when he lets his dark side run amok.

When Cecilia's abusive ex takes his own life and leaves her his fortune, she suspects his death was a hoax. As a series of coincidences turn lethal, Cecilia works to prove that she is being hunted by someone nobody can see.

The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.

In 15th century France, a gypsy girl is framed for murder by the infatuated Chief Justice, and only the deformed bellringer of Notre Dame Cathedral can save her.

Paris, 1482. Today is the festival of the fools, taking place like each year in the square outside Cathedral Notre Dame. Among jugglers and other entertainers, Esmeralda, a sensuous gypsy, performs a bewitching dance in front of delighted spectators. From up in a tower of the cathedral, Frollo, an alchemist, gazes at her lustfully. Later in the night, Frollo orders Quasimodo, the deformed bell ringer and his faithful servant, to kidnap Esmeralda. But when the ugly freak comes close to her is touched by the young woman's beauty...