In many 'immortal naruto fanfiction' stories, new characters might be introduced as well. These could be other immortal beings that Naruto meets during his long life. They could either be friends or foes, adding new layers of plot and conflict to the story.
Besides the main trio, characters like Kakashi could still be important. He could be a mentor figure to the immortal Naruto, guiding him through the new challenges that come with his eternal existence. And villains from the original series might also make comebacks to test Naruto's immortality.
Often, there are two central characters. One might be an ordinary human with a pure heart, and the other could be an immortal like a vampire or a fairy. For example, a young girl who stumbles upon a hidden world of immortals and falls in love with a centuries - old vampire.
The main characters are often Naruto, as he is the focus of the mecha concept. Shikamaru could also be a main character in this type of fanfiction. He would be the strategist, trying to figure out how to best utilize the mecha Naruto in battles. Additionally, Orochimaru might be a character in some cases. He could be interested in stealing the technology of the mecha for his own evil purposes or trying to manipulate Naruto through it.
Well, Naruto himself is obviously a main character as it's about his time as the 7th Hokage. His family, like Hinata and his kids, often play important roles too. Boruto, his son, might be a central figure as he is growing up in the shadow of his father and has his own journey to become a strong ninja.
Well, obviously Naruto and Manda are main characters. Naruto, being the protagonist of the original series, often has his own motives and goals in these fanfictions, like learning new jutsu from Manda or using Manda's power to defeat a stronger foe.
Kakashi can also be a main character in these fanfictions. He has a lot of experience and knowledge that can be vital in a doomsday situation. His wisdom can guide the younger generation, and his combat skills are still formidable. Plus, his relationship with Naruto and Sasuke gives him a stake in the fight to save the world.
Obviously Naruto is one of the main characters. And Kami, of course. Sometimes other characters like Sasuke might also be important as Naruto's relationship with him could be affected by Naruto's interactions with Kami.
Well, obviously Hanabi and Naruto are the main characters in most of these fanfictions. Hanabi, as a member of the Hyuga clan, brings her own set of skills and family - related storylines. Naruto, with his dream of becoming Hokage and his unique abilities, often interacts with Hanabi in different ways, like helping her overcome her clan - related issues or going on adventures together.
The main characters are Naruto and Piper for sure. Naruto's dream of becoming Hokage and his never - give - up attitude play a big role. Piper, with her ability to speak charms and her courage, often pairs well with Naruto. And in some fanfictions, Kakashi might also make an appearance, perhaps as a mentor figure for both of them as they face new challenges together.
Naruto is the central figure in most 'demon naruto fanfiction'. In addition to him, there could be an ancient demon lord who serves as the antagonist. There are also times when the other members of Team 7, like Sakura and Kakashi, are involved. Sakura might be worried about Naruto's change, while Kakashi tries to guide him. And sometimes, there are original characters created specifically for the fanfiction, such as a demon hunter who targets Naruto at first but then realizes he's not entirely evil.
Naruto is obviously one of the main characters, as the title implies his connection to the fanfiction. There might also be Sasuke. Since Sasuke is often involved in Naruto's story, in this fanfiction, he could be either an ally or a rival in the context of the adamantium - related plot.