There's no way to know the main characters in 'the world in 9 1 2 novel' without more information. It could be that the main character is someone who has to navigate a world that is structured around the concepts represented by 9, 1, 2. Maybe there are groups of characters, for example, a group of 9 that the protagonist has to deal with, a single powerful entity represented by 1 and a duo (represented by 2) that plays an important role in the plot. But all of this is just guessing at this point.
Without having read the 'the world in 9 1 2 novel', it's impossible to accurately name the main characters. However, if we assume that the numbers 9, 1, 2 are related to the characters in some way, perhaps there are nine siblings and one of them, the firstborn (represented by 1), has a special relationship with a character who is an outcast or different in some way (represented by 2). But again, this is just wild speculation.
The main characters in the '7 wonders of the world novel' could be a diverse group. There might be a young and curious protagonist, perhaps a journalist or a student, who embarks on a journey to learn more about the seven wonders. There could also be some antagonists, like treasure hunters who are willing to destroy the wonders for their own gain. And there may be local people living near the wonders who play important roles in the story, sharing their knowledge and traditions.
The main character in the Magus World novel is Lei Lin. He is a key figure in the story and drives much of the plot forward with his actions and decisions.
I don't know the main characters as I haven't read it. Maybe it has a protagonist who tries to resist the perverted nature of the world in the story.
I don't have information about the main characters in this 'refining the world novel' as I haven't read it. But they could be a young hero with great potential, an old wise mentor, or a group of friends united for the cause of refining the world.
There's also Rebecca. She is Enid's friend and they share a lot of experiences together throughout the novel.
Typically, there is a central protagonist who is the focus of the story. There may also be side characters like a wise old wizard or a brave knight.
I don't know specifically as I haven't read it. But they could be ordinary people who get drawn into the secret world, like a young adventurer or a curious scientist.
I don't know since I haven't read it. But it could have a brave hero or heroine as a main character who is involved with the heart of the world in some way.
I'm not sure specifically as I haven't read this exact Circus World Novel. But generally, there could be the ringmaster as a main character. He's in charge of the whole show and has a lot of authority. There might also be a star acrobat, a young and talented performer who is the center of attention during the shows.
Since I haven't read it, I can't say for sure. But often in a novel, the main characters are those who drive the story forward, so it could be a protagonist who is on a journey to discover the 'world of difference' and some secondary characters who either help or hinder this journey.