Well, Naruto himself could be one of the main characters. Since it's a Naruto fanfic, he is likely to be involved. And of course, the silent guardian would be a main character too. Maybe it's a new character created specifically for this fanfic, someone with a mysterious past and a strong sense of duty.
Perhaps Sasuke could also be a main character in this 'Silent Guardian Naruto Fanfic'. He has his own journey and goals in the Naruto series, and the presence of a silent guardian could impact his story in various ways. The silent guardian might try to guide Sasuke towards a different path, away from his revenge - seeking ways. Also, Sakura could be involved as she is an important part of Naruto and Sasuke's story. She might interact with the silent guardian, either being suspicious of it or seeking its help for the well - being of her friends.
It's possible that the Hokage, like Kakashi or Tsunade, could be main characters in relation to the silent guardian. They are in positions of power and responsibility in the village. The silent guardian might work with or against them depending on its motives. For example, if the silent guardian has a different view on how to protect the village compared to the Hokage, there could be conflicts or collaborations between them, which would make them all main characters in the context of this fanfic.
A 'Silent Guardian Naruto Fanfic' might focus on a new character who acts as a silent guardian. This character could be a ninja with stealth abilities that are off the charts. They might be silently watching over Naruto or his friends, intervening only when necessary to keep them out of harm's way. For example, they could be protecting Naruto from certain enemies who are trying to harm him while he is on his journey to become stronger.
In this 'naruto fairy guardian fanfic', Naruto would be a given as a main character. He might be joined by some of the other Konoha 11 members. For instance, Shikamaru could be a main character too. His intelligence would be very useful in strategizing to protect the fairies. Ino might also be involved, using her mind - related abilities to communicate with the fairies or detect threats. And of course, Kakashi could be a guiding figure for them in their new roles as fairy guardians, even if he's not as much in the forefront as the younger characters.
Well, in many Ash Guardian fanfics, aside from the Ash Guardian, there could be a group of survivors. One of them might be a scientist who is trying to figure out the nature of the Ash Guardian. Another could be a warrior - type character who is initially skeptical but later becomes an ally of the Ash Guardian. And of course, there could be a villain, like a power - hungry person who wants to use the Ash Guardian's power for their own evil purposes.
Sakura could be a great guardian in a 'naruto guardian fanfic'. She has strong medical skills and combat abilities. She could use her medical ninjutsu to heal Naruto when he is injured in battles and also fight alongside him, protecting him from harm.
Most likely Naruto would be one of the main characters. After all, it's in the Naruto universe. And then there would be the fairy guardians. They could be named characters with their own distinct personalities, like a headstrong fairy guardian or a wise old fairy guardian.
Obviously Naruto would be one of the main characters since he is the guardian. And there would probably be some Pokémon characters like Pikachu or Charizard that he interacts with.
Since there are many 'guardian of fire' Naruto fanfictions, the main characters can vary greatly. It could still have Naruto as a main character, along with the new 'guardian of fire' character, who could be an original creation for the fanfiction.
Other Naruto characters like Sasuke or Sakura might also be important. Sasuke could be involved in Naruto's new role as a 'guardian' either as a supporter or a skeptic. Sakura, with her medical skills, could play a role in helping Naruto in his 'guardian' - related adventures, perhaps by healing those affected by new threats that come with the combination of the two universes.
Well, it likely includes characters from RWBY like Ruby, Weiss, Blake, and Yang. But in the context of the Silent Knight fanfic, there might be a new character who is the Silent Knight. This character could be a mysterious figure with unique abilities and a backstory that ties into the RWBY universe in some way.
Another possible main character could be Erza from Fairy Tail. She is a strong and respected member of the guild. Her leadership skills and combat abilities could be crucial in the story. She might initially be skeptical of Naruto but then come to respect him as he proves his worth as a guardian. And Naruto himself would have his own set of friends and allies from his world that could potentially make appearances or be mentioned, like Sasuke or Kakashi, even if they are not directly in the Fairy Tail world, their influence on Naruto could still play a part in the story.