Who were all the Phantom male leads?

The male leads of "The Phantom of the Opera" are primarily represented by the Phantom, also known as Erik, who is a complex character marked by his tragic backstory and obsession with Christine Daaé. In various adaptations, other significant male characters often include Raoul, the Vicomte de Chagny, who serves as Christine's love interest and represents the conventional hero. Additionally, in some adaptations, characters such as Monsieur André and Monsieur Firmin, though not romantic leads, play essential roles in the storyline, contributing to the dynamics surrounding the Phantom.