I'm not sure as I haven't read the novel, but they could be a couple, perhaps a man and a woman who are facing challenges in their relationship due to miscommunication.
Since the title implies a focus on love and miscommunication, the main characters might be individuals with different personalities and communication styles. For example, one character could be very shy and reserved, while the other is more outspoken. These differences could lead to miscommunication in their relationship, and the story could be about how they navigate through these issues.
It might be that the novel explores how love often gets hindered by miscommunication. For instance, characters may misinterpret each other's words or actions due to poor communication skills or external factors. This could lead to conflicts and challenges in their relationships, which is a common theme in many relationship - centered novels.
There's Miss Peregrine herself, who is in charge of the home for peculiars. And there are the peculiars like Jacob, who discovers this strange world.
There is the Vietnamese girl, who is the titular Miss Saigon. She is a complex character, full of hopes and dreams despite her difficult circumstances. And then there is the American soldier. He is a young man caught up in the war, and his encounter with the girl changes his life too. There may also be other minor characters that help to flesh out the story, like the people in the bar where the girl works or the soldier's comrades.
Miss Abbott and the doctor are the main characters. Miss Abbott might be a woman with her own personality traits, perhaps she's strong - willed or kind - hearted. The doctor, on the other hand, could be a professional with his own set of skills and values. Their characteristics will likely drive the story forward.
Miss Jones is the central figure in 'devil in miss jones'. As for other main characters, if there is a literal 'devil' in the story, that would be a key character as well. It's possible that there are other supporting characters like friends or family of Miss Jones who play important roles in her story, perhaps they are the ones who try to help her when she is facing the 'devil' - like problems or they might be part of the problem themselves.
Miss Treadway is clearly a main character in 'Miss Treadway and the Field of Stars: A Novel'. As for other main characters, we can only guess. It might be that there is a love interest for Miss Treadway in the story, someone who she meets in the 'field of stars' and has a deep connection with. There could also be a group of allies who help her in her exploration of the 'field of stars'. For example, they might be other people who have also been drawn to this mysterious place for different reasons. These characters would interact with Miss Treadway, and together they would form the core relationships that drive the story forward.
In 'Miss Peregrine's Graphic Novel', the central character is Jacob. He's the protagonist through whose eyes we see this strange world. Miss Peregrine is an essential character as she's like the guardian of the peculiars. She has a very mysterious and powerful presence. Then there are the peculiars themselves. For example, Olive can float, and Bronwyn is super - strong. All these characters interact with each other, and their relationships are what drive the story forward. They face challenges together and rely on each other's abilities in different situations.
Without having read the 'black belly miss light novel', it's difficult to name the exact main characters. However, based on the title, the eponymous 'black belly miss' is surely a central figure. There could be other characters like her family members, if the story has a family - centric aspect. Maybe there are classmates or colleagues if the setting is in a school or workplace. And of course, there might be antagonists who oppose the 'black belly miss' and create conflicts in the story.
Miss Pettigrew is one of the main characters. She is a governess who has a very ordinary and rather difficult life at the start. Then there is Delysia Lafosse. She is an actress and her glamorous but chaotic life is in contrast to Miss Pettigrew's. She is also a key figure as the story revolves around Miss Pettigrew spending a day in her world.
Miss Jean Brodie is the central character. She is a teacher who is very confident and has her own unique way of teaching and interacting with her students.