Joseph Buquet

Joseph is a stagehand who has seen the phantom in the opera house's third basement. He is found hanged in the cellar, but when people go to retrieve his body, the rope is missing. Later in the book, the Persian guesses that the phantom killed Buquet with a device called the Punjab lasso.

Carlotta

Carlotta is the opera's female lead, for whom Christine Daaé is an understudy. Carlotta is a technically accomplished singer but does not sing with soul. The phantom threatens her if she goes onstage as Marguerite in Faust, but she refuses to be intimidated; as a result, the sound of a croaking frog comes out when she sings.

Christine Daaé

Christine in Sweden was raised by her father, a traveling violinist. As he was dying, he explained to her that he would remain with her and guide her through the Spirit of...