There could also be new characters introduced. For example, a young apprentice that Naruto takes under his wing. This character could be someone who Naruto discovers has a hidden potential for the shinobi arts, and he decides to train them in the hope of reviving the shinobi world. Or maybe there's a mysterious figure who is the cause of Naruto being the last shinobi, and this figure would be a major character as well.
Sasuke might also be a main character. Even if Naruto is the last shinobi in some sense, Sasuke could be involved in the story, perhaps as an ally or someone with his own agenda related to Naruto's situation. They have a long - standing relationship in the Naruto universe, so it's likely he would play an important role.
Obviously Naruto is one of the main characters since it's in the title. He is likely to be the central focus of the story as the last shinobi.
There could be new characters as well. The fanfiction might introduce some young shinobi who are the last hope of the shinobi world. These new characters could have unique abilities and backstories, and they might learn from the older, more experienced shinobi. They could be mentored by the likes of Kakashi or Guy.
Obviously, Naruto would be the main character as it's about him being the 'god of shinobi'. But there could also be other characters like Sasuke, who might be in a different relationship with Naruto now that he is a god - like figure. Sakura could also play a role, perhaps as a healer trying to understand Naruto's new powers.
The main characters could be a combination of well - known Naruto characters and new ones made for the fanfic. Maybe a Kiri shinobi could be a main character, someone with a unique backstory and abilities. It could also have characters from other villages who come to Kiri for some reason, like a joint mission or to seek refuge. And of course, there might be some antagonist characters within the Kiri village who create conflict for the protagonists.
In many 'naruto kami no shinobi fanfiction', Kakashi could play an important role. He might be the one guiding Naruto in understanding the ways of the kami, as he has a vast knowledge of different jutsus and the ninja world in general. Also, characters like Hinata could be involved. Maybe she has some sort of connection to a kami as well, which could lead to a new relationship dynamic with Naruto.
Obviously, Naruto would be one of the main characters. He's the central figure in the Naruto series, especially when it comes to his early days as a shinobi. His friends like Sasuke and Sakura would also likely be main characters as they were always by his side during his initial shinobi experiences.
Obviously Naruto would be one of the main characters. Since it's about him becoming the next god of shinobi. There might also be Sasuke, as he has always been an important part of Naruto's story. And perhaps some of the older characters like Kakashi could also play important roles, guiding Naruto in his journey.
Most likely Naruto would be the main character since it's in his name. But there could also be other characters like Sasuke, Sakura, Kakashi etc. as they are important in the Naruto universe and might interact with Naruto in his 'god among shinobi' state.
Obviously Naruto could be one of the main characters. His adventurous spirit and strong will would make him a great fit in a gaming - related story. He could be the one to discover a new virtual shinobi game and start exploring it.
Most probably Naruto would be the main character as the title mentions 'naruto shinobi'. Regarding the godlings, there could be one or more of them who are significant. Maybe there's a particular godling who becomes Naruto's ally or adversary. There could also be other characters from the Naruto universe who might make an appearance in this fanfiction, like Sasuke or Sakura, but that's just speculation.
Naruto is often one of the main characters in 'Naruto fastest shinobi fanfiction' since he is the protagonist of the original series. His pursuit of speed or his already existing speed abilities are usually explored further.