I'm not entirely sure, but usually there would be a protagonist who has some sort of connection to the chaos dragon, either trying to tame it or stop it.
In 'Chaos Dragon Light Novel', the main characters are likely to be diverse. One might be a young adventurer with a mysterious past who is drawn into the events involving the chaos dragon. There could also be an old sage who has knowledge about the dragon and guides the other characters. And perhaps a group of rebels who oppose the forces that are trying to use the dragon for their own gain. Their personalities and goals would intersect and conflict throughout the story, creating the plot's dynamics.
The protagonist is, of course, the Primal Chaos Dragon Emperor. He is a very powerful character with unique abilities.
I'm not entirely sure as it depends on the specific plot of the 'Chaos Legion' light novel. But usually, there would be a hero or a group of heroes who are pitted against the Chaos Legion. There might also be some sort of leader within the Chaos Legion itself who is a main character in terms of the antagonist side.
I don't know for sure since I haven't read the novel. But usually, there would be the chaos alchemist as the main character. There might also be a mentor figure who teaches the alchemist the ropes, or a sidekick who accompanies the alchemist on their adventures.
Obviously Naruto would be one of the main characters. And there could be some original characters created specifically for this fanfiction related to the chaos dragons, like a dragon rider who teams up with or opposes Naruto.
The main characters are Tohru, a dragon who becomes a maid, and Kobayashi, the human she works for. Tohru is a powerful and sometimes clumsy dragon trying to fit into human society. Kobayashi is a hard - working office lady who initially takes in Tohru out of kindness.
There might also be other supporting characters such as the dragon girl's family members if they are still alive in the story. Her father or mother who might be powerful dragons could play a role in guiding her or being a source of conflict if they have different views on her interactions with the human world. Additionally, there could be villains in the story who are either after the dragon girl's power or are trying to disrupt the peace between dragons and humans.
I'm not entirely sure as I haven't read every bit of 'dragon soul light novel', but usually there's a protagonist. This person is likely to be the one who has a special connection to the dragon soul, like being able to communicate with it or having the ability to unlock its power.
I don't have enough information to say who the main characters are. It could be a young adventurer, a wise wizard, or even a dragon itself.
I don't know specifically, but it could be a young dragon tamer.
Most likely, the dragon master is a main character. There may also be the dragon itself as a significant character.