The Phantom of Evil

Characters:
 * Professor Zundapp as Erik/The Phantom of the Opera
 * Mother Gothel as Christine Daae
 * Lotso as Raoul de Chagny
 * Maleficent as Meg Giry
 * Grimhilde as Madame Giry
 * Ursula as Carlotta Giudicelli
 * Jafar as Richard Firmin
 * Gaston as Gilles Andre
 * Hades as Ublado Piangi
 * Percival C. McLeach as Joseph Buquet
 * Elmo St. Peters as Reyer
 * Dr. Calico as Lefevre
 * Miles Axelrod as the Auctioneer
 * Non-Disney Villains as Audience

A mysterious phantom (Professor Zundapp) kidnapps Christine Daae (Mother Gothel) and only Raoul (Lotso) can save her.

Fictional operas:

Hannibal

Il Muto

Donn Juan Triumphant