The main characters in a 'fool me once story' really depend on the nature of the story. It might be a young person starting out in the world, full of hope and trust, like a fresh graduate entering the job market. They could be fooled by a more experienced and unethical colleague. Or it could be a lonely old person being deceived by a seemingly friendly neighbor. There are so many possibilities depending on the context of the story.
The main character is Ivan. There may also be his brothers or other villagers who play important roles in the story as they interact with Ivan and contrast with his character.
The main character is Gimpel, of course. He is the one around whom the whole story revolves. He is a simple man who is often deceived by others.
Given the title 'a fool and a girl novel', the two main characters are probably the fool and the girl. However, there could be other supporting characters that play important roles in the story. Maybe there are friends or family members of the girl or people who interact with the fool in various ways that add depth to the plot.
Since I don't know the exact 'fool for love novel', I can't say for sure. But it could have a protagonist who is the 'fool for love' and perhaps a love interest.
Well, since I haven't read the exact short story recently, I'm not entirely sure. But typically in Akutagawa's works, the main character is often a complex individual, so in 'Life of a Fool', it could be a character who is naive and makes a lot of mistakes due to his lack of understanding of the world.
I'm not sure specifically without reading the novel. But usually, there's a central character who drives the story. It could be a young person trying to make their way in the world.
Given the title 'my mate is a fool novel', we can guess that there is a narrator who has a mate. The mate is obviously one of the main characters. There might also be other characters who are part of their social circle, such as neighbors or colleagues. Maybe there's a wise old character who gives advice to the narrator about dealing with their 'foolish' mate. But all of this is just speculation without actually reading the novel.
Well, Naruto is surely one of the main characters since the title has his name. Other than that, it could include his friends like Sasuke and Sakura. They might be involved in the situations where Naruto acts the fool and react to his behavior in different ways.
The main characters are Fitz and Fool, as the title implies.
The 'Legend of the Fool' manhwa has a complex plot. It follows the journey of a seemingly ordinary person who turns out to be extraordinary. The main characters are the Fool, who defies expectations, and a group of allies he gathers along the way, each with their own unique skills and backstories.