In some fanfictions, the main character could be a new - generation Guardian of the Mist who is related to an important figure from the village's past. This connection drives their actions and decisions. There might also be a group of comrades within the Mist village who support the Guardian in their duties, and they could be important secondary characters.
Well, Naruto himself is usually a main character as it's in the title. But characters from the Mist Village like Zabuza and Haku are often prominent. Zabuza is a well - known and feared ninja from the Mist, and his backstory and possible further development can be a big part of the fanfiction.
Often, Naruto himself is involved. Since it's in the Naruto universe, he might be the one to encounter the Demon of the Mist and try to figure out what to do about it. Also, characters from the Mist Village like Zabuza or Kisame could be main characters as they have connections to the Mist and its secrets.
Often, there could be an original character created specifically for the fanfiction. This character discovers they have the eagle bloodline and has to learn to control its powers.
Often, the main character is the secret jounin themselves. They are usually depicted as having extraordinary skills and a mysterious past. For example, they might be a former missing - nin who has reformed and now serves as a secret jounin in Konoha.
Obviously, Naruto himself is often a main character. He might be the one taking on the role of the army general or be an important part of the army. Sasuke is also commonly seen. He could be a rival within the army or a key ally. And then there's Kakashi. His experience and wisdom could be crucial in guiding the army, whether he's directly under the general or acting as an advisor.
Sometimes, other minor characters from the game might also be given more focus in fanfiction. For example, the villagers or the shadowy figures that were seen in the game. Their backstories could be explored, and how they might interact with the boy and Trico in different scenarios. But overall, the boy and Trico remain the most prominent characters in most of the fanfiction.
Kakashi could also be a main character in certain 'naruto red mist fanfiction'. His experience and knowledge could be important in figuring out the mystery of the Red Mist. He might be mentoring the younger characters on how to handle the new threats and challenges that the Red Mist brings.
Harry Potter himself is often a main character. After all, it's a Harry Potter fanfiction. He is likely to be the one facing the challenges related to the mist.
In some cases, characters like Sakura could be main characters. She could play a role in helping the character with the fallen angel bloodline adjust to the ninja world. Maybe she uses her medical skills to deal with any negative effects the bloodline might have on the body. Also, there could be other original characters who are part of the same family or group as the fallen angel bloodline character and are important in the story.
It could also introduce new original characters created by the fanfic author. These characters might be students or comrades of the well - known Mist Village ninjas. They could bring fresh perspectives and storylines to the fanfic. For example, a young ninja from a humble background in the Mist Village who has big dreams but faces many obstacles along the way.