The main characters could be the science teacher who is passionate about space and always encourages students to explore it.
The main characters in the 'School 2021 story' could be students who are leading different storylines. For example, there might be a student leader who is trying to bring positive changes to the school. There could also be a rebellious student who challenges the school rules. And perhaps a teacher who plays a crucial role in guiding these students through their school days.
I'm not sure as I don't know the specific 'the school story'. But usually, it could be students, teachers, and maybe some school staff like the principal.
I'm not entirely sure about all the main characters specifically in 'school 2013 story' without more in - depth research, but usually in a school - based story, there would be students who are leaders, troublemakers, and overachievers, as well as some important teachers.
The main character is Isaac Clarke. He's an engineer who plays a crucial role in the story as he battles the Necromorphs and tries to solve the mysteries of the Marker.
Since I don't know the 'space watch story', I can't say for sure who the main characters are. It could be astronauts if it's about a real - life space - related watch.
Since I don't know the details of the 'black space story', I can't say for sure who the main characters are. But they could be astronauts, scientists, or some sort of space adventurers.
The main character is Isaac Clarke. He is a key figure as he has to deal with the Necromorph threat on the Sprawl. Another important character is Ellie Langford. She helps Isaac in his fight against the Necromorphs and also in uncovering the secrets related to the Marker.
Since I don't know the exact 'space kids story', it could be kids like Tom, a brave and curious boy, and his sister Lily, who is smart and resourceful.
Perhaps a young kid who dreams of going to space is a main character. This kid could go on an imaginary space journey with the help of an older, more experienced astronaut. There might also be some friendly aliens as main characters in some versions of the story.
There could be a new student who has just transferred to the high school. This character is usually the one through which we get to discover the different aspects of the school, like the different cliques and the school's traditions. And then there may be a teacher who plays an important role in guiding the students, not just academically but also in their personal growth.