Another common main character type is the damsel in distress. Like Guinevere. She was King Arthur's queen. Her character often added a romantic and sometimes conflict - inducing element to the story as she was the object of many knights' affections.
One of the most OP characters is Superman from DC Comics. He has super strength, can fly, has heat vision, and is nearly invulnerable. His powers make him extremely difficult to defeat in most situations.
One popular main character is Beowulf. He is a hero from the Anglo - Saxon epic. Beowulf is known for his great strength and courage. He battles fearsome monsters like Grendel and his mother, and later a dragon. His character embodies the values of the time, such as heroism and loyalty.
Goku from 'Dragon Ball' is also extremely powerful. His ability to continuously increase his power level through training and various transformations is remarkable. He can harness the power of the Super Saiyan forms, which give him incredible strength, speed, and energy projection capabilities. In his Ultra Instinct form, he can react and fight without even thinking, making him a formidable opponent.
Obviously Naruto would be one of the main characters. Since it's set in an academy, his classmates like Sasuke and Sakura would likely also be important characters. The academy teachers, such as Iruka - sensei, would probably play significant roles as well.
Another popular type of character is the mentor. This could be an older, more experienced gamer who helps the op fighter improve their skills. They often have a wealth of knowledge about the game's secrets and mechanics, and their relationship with the main character can be a key part of the story, like teaching the op fighter how to unlock hidden powers or strategies.
Anna is another important character. She plays a role in guiding and supporting the other characters. Her knowledge and skills contribute to the group's overall efforts in the fight against the D2, and her interactions with Takt and Cosette add depth to the story.
Well, 'OP' in the context of this 'Fury Tries to Kidnap OP Harry Potter Fanfiction' could be the main character that Fury is targeting because of their special powers. Maybe it's a new character created by the author with unique magical abilities that Fury, for some reason, wants to get his hands on. It could be someone with a combination of different magical skills from the original Harry Potter universe, like being able to perform extremely powerful spells without a wand or having the ability to control all types of magical creatures.