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.
Since I don't know the specific 'poisoning the world novel', I can't say for sure. But generally, there might be a protagonist who is either trying to stop the world from being poisoned or is unfortunately caught up in the process. There could also be an antagonist, the one causing the 'poisoning'.
Since I don't know the specific 'zero world novel', I can't say for sure. But they could be survivors in a post - apocalyptic zero world, like a young and brave hero trying to find a way to make the world better again.
I don't have enough information to say who the main characters are. It could be a protagonist who is on a journey to discover something important, like a young adventurer or an inquisitive scientist.
I'm not sure specifically as there could be various main characters. It might be a group of survivors who have different skills and personalities. For example, a strong and brave leader, a smart scientist, and a kind - hearted healer.
It depends on the specific 'world boss novel'. But usually, there is a hero or heroine who has the courage to take on the world boss. There might also be a wise mentor figure who guides the main character in their journey.
There is a character named Alex who is a brave warrior. He is always at the forefront of battles, fighting for his clan's honor.
As I have no details about the 'calm world novel', the main characters could be people who are in tune with the calmness of the world. Maybe a wise hermit who has chosen to live in seclusion and a young apprentice who comes to learn from him. They would be characters that value peace and quiet, and their actions and decisions would be influenced by the calm environment around them.
I don't know as I haven't read the 'the world engine novel'. It could have a young hero as a main character, someone who is brave and curious to explore the mystery of the world engine.
In 'the Eye of the World' novel, Rand al'Thor is a key character as he embarks on a journey that will change his life forever. Perrin Aybara, with his unique abilities related to wolves, is an important part of the story. Mat Cauthon, who is always getting into trouble but also has a crucial role to play. Egwene al'Vere, who wants to become an Aes Sedai and is involved in many of the events that unfold. And Nynaeve al'Meara, whose strength and determination are vital for the group's survival and success.
One of the main characters is Professor George Edward Challenger. He is a brilliant but eccentric scientist who leads the expedition to the Lost World. Another important character is Lord John Roxton, a big - game hunter with great courage and skills. And there is also Professor Summerlee, who initially doubts Challenger's claims but later joins the adventure.