There could be antagonists as well. They oppose the instructor's methods or goals. These characters create conflict and drive the plot forward, as the instructor and his students have to face and overcome the challenges they pose.
The titular Heavenly Demon Instructor is obviously a main character. He is the central figure around which the story revolves, with his unique skills and teachings.
There are also the students. Each student has their own personality and background. Some may be from noble families, while others might be from humble beginnings. Their interactions with the instructor and among themselves form a big part of the story.
The central figure is the Heavenly Demon who has been reborn. Alongside him, there may be mentors or elders who play important roles in his growth. Then there are antagonists, probably powerful figures from other factions who oppose the Heavenly Demon. And there could be some female characters as well, perhaps love interests or comrades who fight alongside the main character.
I don't have enough information to name the specific main characters. But typically, there would be a protagonist who is engaged in the heavenly demon cultivation. There might also be a mentor - like figure who guides the protagonist in the early stages of their cultivation journey, or rival characters who are also on the path of cultivation and compete with the main character for resources or status.
There is also a female character who often plays an important role. She might be a love interest or a rival in some ways. Her presence adds an extra layer of complexity to the main character's development and the overall story dynamics.
One interesting plot point is the unique training methods of the demon instructor. He often challenges the traditional ways of learning and development, which makes the story full of surprises.
I don't know for sure. But likely the heavenly demon is one of the main characters. There might also be characters who are either his allies in his vengeance or those who are the targets of his revenge.
The main characters in the 'Heavenly Delusion' light novel often include those who are at the forefront of the story's action. There may be a young protagonist who is curious about the world and sets out on a journey. There could also be an older, wiser character who serves as a guide or mentor. And perhaps there are some characters who are part of a group or faction, and their interactions with other characters play a crucial role in the development of the story.
I'm not sure exactly as I haven't read it. But usually in a light novel, there would be a protagonist who is likely at the center of the story dealing with the heavenly curse. There may also be a mentor - like character to guide the protagonist.
I don't know the specific main characters in 'the damned demon light novel' as I haven't read it. However, it's likely that the damned demon itself is a main character. There could also be other characters like a hero who opposes the demon or a sidekick of the demon.
I don't know for sure since I'm not familiar with a specific 'demon and god light novel'. But typically, there could be a brave human or demi - god as the protagonist, a powerful demon as the antagonist, and perhaps some wise god - like figures as mentors or allies.
In many such light novels, there could be an ancient god who has been sleeping for centuries and wakes up to find the world in chaos due to the actions of a group of demons. A young protagonist, who is destined to save the world, might be guided by the god and have to fight against the demons' leaders. There could also be side characters like other gods who have different opinions on how to deal with the demon problem and humans who are caught in the crossfire.