Obviously, Arthur and a human are the main characters.
It could be a child. Since Arthur is often associated with kids' shows, it would make sense for him to meet a young human, like a school - age child.
Well, in the 'arthur meets a human fanfic', it could be that Arthur initially has some misunderstandings with the human. But as the story progresses, they start to understand each other better. The human could introduce Arthur to human culture, like different kinds of music or food. And Arthur could show the human some unique things from his own world. For example, if Arthur has some special abilities, he could use them to help the human in a difficult situation. Maybe they end up having a strong bond that crosses the boundaries between their different existences.
In the 'arthur pbs meets a human fanfic', it could be that Arthur and the human become friends. They might go on adventures together in a world that combines Arthur's fictional world and the real world. For example, they could explore a new park where there are elements from Arthur's world like talking animals. Arthur could introduce the human to his friends from his world, and they all have a great time together.
Spyro and a scientist could be the main characters. The scientist is studying the strange phenomena that seem to connect the dragon world and the human world. Spyro stumbles upon the scientist's research site and they end up having to rely on each other. The scientist could learn a lot about Spyro's world through Spyro, and Spyro could learn about human intelligence and technology from the scientist.
Well, Klaus is typically depicted as a powerful and mysterious figure. He has his own motives and desires which often collide with the human world. Caroline, on the other hand, is the one who brings out his more human side. She might be a student, or have some other normal human occupation that contrasts with Klaus' otherworldly existence. There may also be some supporting characters from the original story's universe who play roles in either helping or hindering their relationship.
A young and adventurous driver could also be a main character. They could be someone who loves speed and exploration. In the story, they might accidentally stumble upon a hidden community of sentient cars while on a cross - country road trip. This would lead to all kinds of exciting adventures as they learn to communicate and interact with the cars.
The main characters are Arthur and Selenia. Arthur is often portrayed as a brave and adventurous character. Selenia, on the other hand, is typically a character with magical abilities and a strong will.
Obviously, Spyro would be one of the main characters. And then there could be a young human, maybe a teenager, who is brave and curious. This human could be the one to first encounter Spyro and start the whole adventure.
Obviously, Arthur and Merlin are the main characters. Arthur, the king, has the power to send Merlin to the stocks. And Merlin, the wizard, is the one who gets punished in this scenario.
Obviously, Harry and the Grangers are the main characters. Harry is the famous wizard from the 'Harry Potter' series, and the Grangers are Hermione's parents, who are Muggles.