Carlotta
The prima donna of the Opera Garnier, she is one of the primary obstacles for Christine's career and as such, a target for the Opera Ghost.
Where is she from?
Carlotta is a minor character in the original 1909 novel Phantom of the Opera by Gaston Leroux but became a major character in the Andrew Lloyd Webber musical.
The part was first played on Broadway by Judy Kaye in 1986,
And by Rosemary Ashe in the West End production in the same year.
and of course, the part was played in the 2005 Schumacher movie by Minnie Driver.