The main character is the Princess in Black herself. She is the key figure who has this dual identity.
The main characters are clearly the black princess and the person who is telling the story. The black princess could be a character with distinct features, personality, and backstory. The narrator is the one who will lead us through their experiences with the princess, whether it's a story of love, friendship or conflict.
Obviously, the black princess herself is a main character. She's likely to be strong - willed and have unique abilities.
One possible theme could be diversity. Since they are different, it might explore how their differences are both a source of beauty and a cause of initial friction.
Since I haven't read this particular fanfiction, it's hard to say exactly. But it's likely that the black princess is one of the main characters. There might also be some of the original Harry Potter characters like Harry, Hermione, or Ron who could interact with her.
Since I haven't read the novel, I can't say for sure. But likely the black - haired princess herself is a main character. There might also be a prince or a knight who is important to the story.
Tiana is a main character. She is a hard - working woman with a big dream of opening her own restaurant.
The main characters are the princess and the toad. The princess is often depicted as kind, beautiful and sometimes a bit naive. The toad, on the other hand, is either a cursed being or a magical creature that has an important role to play in the story.
Since I don't know the exact story, it's hard to say for sure. But surely the time princess herself is one of the main characters. There might also be a villain who tries to disrupt the princess's relationship with time or stop her from achieving her goals.
Since we don't know the exact 'Long Princess Story', it's difficult to say. But generally, in a princess - centered story, there would likely be the princess herself. There might also be a prince who could be her love interest, or a villain like an evil witch or a power - hungry nobleman who creates obstacles for the princess.
The Frog Prince is also a main character. He is under a spell and needs true love's kiss to break it. He has his own charm and through his adventures with Tiana, he changes and grows.