One interesting character could be a powerful sorceress. She might be jealous of the demon queen's power and tries to undermine her. Her devious plans and her complex personality make her stand out. Also, a young apprentice who is eager to learn from the main characters and has his own dreams and goals can be an interesting addition to the story aside from the main couple.
There could be a wise old wizard. He might be interesting because he has a vast knowledge of the magical world and often gives advice to the main couple. Another one could be a brave knight who is initially skeptical of the demon queen but later comes to respect her. His character arc from distrust to acceptance would make him interesting.
The main characters are the male lead and the demon queen who is his wife. The male lead is an important figure as he bridges the gap between the human and demon worlds through his relationship with the demon queen.
In'my wife the demon queen web novel', probably the development of the couple's relationship is a key plot point. They might start off with misunderstandings since she's a demon queen. And as they get to know each other better, they face external threats together. Also, the demon queen's own backstory and how she came to power could be an important part of the plot.
The demon queen is surely a main character. She would bring in all the elements of the demon world, her powers, and her personality. The other main character is the one who is her husband. He might be an ordinary human or have some special qualities. There could also be side characters like the demon queen's servants or the protagonist's friends who play important roles in the story.
The dragon - like creatures can be quite interesting. They are powerful and have their own hierarchies and cultures. Their existence in the world of the web novel adds an element of danger and mystery. Sometimes they interact with the spider, either as enemies or in some strange alliances. And there are also the small, intelligent goblin - like creatures. They are cunning and resourceful, and their interactions with the environment and other characters make them stand out.
The main character, the misfit demon king himself, is quite interesting. His struggle to fit into the new academy while having the memories and power of his past self makes him stand out. Another interesting character could be his rival in the academy who constantly challenges him.
The main characters are the husband and his wife who is the demon king. There may also be other supporting characters like the demon king's servants or allies in the demon realm, and perhaps some friends or family members of the husband from the human world.
Blaine is often an interesting character. He could be Kurt's supportive boyfriend, standing by his side through all the prom queen drama. His reactions to Kurt being in the spotlight can range from being proud to having a bit of jealousy. Another character is Rachel. She might be jealous of Kurt getting all the attention or she could be his biggest cheerleader. Then there's Sue Sylvester. She might try to sabotage Kurt's prom queen run for her own amusement or she could end up being surprisingly supportive in her own twisted way.
Among the main characters besides Rimuru are Gobta. He is a goblin who is rather comical at times but also shows growth throughout the story. Then there is Diablo, a very powerful demon who becomes Rimuru's subordinate. His power and knowledge contribute to Rimuru's rise in the world of the novel. There are also other characters like Milim, a dragonoid with a child - like personality who has her own impact on the overall plot.
The protagonist is surely interesting. As they are re - living their life as a villain, their internal conflict and growth make them a captivating character. Maybe there's also a sidekick or an ally who has their own motives and adds depth to the story. And the antagonists, who are against the protagonist's new way of life, can be very interesting as well, as they represent the old order that the protagonist is trying to break away from.
Mare is definitely one of the most interesting characters. She's a Red who suddenly discovers she has Silver - like powers. This makes her a target and also a symbol of hope for the Reds. Her journey from a simple girl to a key figure in the struggle between the Reds and Silvers is full of twists and turns. Another interesting character is Cal. He's a Silver prince but has a complex view on the world and his place in it. His relationship with Mare is also very intriguing as they are from different sides but are drawn to each other.