Since it's a Naruto - related fanfic, Naruto is likely to be one of the main characters. There may also be characters related to the Shinigami, though without reading it, it's hard to say exactly who they could be. Maybe the Shinigami itself could be a major character, or other characters from the Naruto world who get involved in Naruto's encounter with the Shinigami.
Most likely, Naruto would be the central character in 'naruto the legendary shinigami fanfic'. However, depending on the plot, other important characters could include Sasuke. Sasuke might be involved if Naruto's encounter with the Shinigami has implications for the entire ninja world and their relationship. Also, characters like Kakashi could be present if he tries to guide Naruto in dealing with the new situation regarding the Shinigami. And of course, there could be original characters created specifically for this fanfic that are related to the Shinigami world.
In this fanfic, Naruto is bound to be a main character. He is the protagonist of the Naruto series after all. In addition to him, if the story focuses on the Shinigami aspect, there could be a character who acts as a guide in the Shinigami realm. This could be an original character created for the fanfic. There may also be antagonists who oppose Naruto's newfound connection with the Shinigami. These antagonists could be from the Shinigami world, trying to prevent Naruto from achieving something related to the Shinigami's powers, or they could be from the Naruto world, fearing the change that Naruto's association with the Shinigami might bring.
In the 'naruto the legendary shinigami fanfic', it could be that Naruto is transported to the realm of the Shinigami. There, he discovers secrets about the Shinigami and its role in the Naruto universe. He may learn about ancient powers or prophecies related to the Shinigami. As he explores this new realm, he meets different creatures and characters. Some might be friendly and help him understand his new situation, while others could see him as an intruder or a threat. Naruto would then have to use his wits and any latent abilities he has to survive and find a way back to his own world, all while dealing with the mysteries of the Shinigami.
I'm sorry I don't know specifically as it's a fanfic. It could potentially feature Naruto himself, or perhaps some other well - known characters like Sasuke or Kakashi. Since it's related to the Shinigami, it might also introduce new characters who are somehow connected to this death - god - like entity.
There could also be new characters introduced, like other Shinigami or beings related to the Shinigami world. For instance, a Shinigami who is Naruto's father figure or a spirit guide who helps Naruto understand his powers. These new characters would add more depth to the story and bring in new conflicts and relationships in the fanfic.
The two main characters are Naruto and the Shinigami. Naruto, who has reached a god - like state, is now in a relationship with the Shinigami. But we might also see other characters from the Naruto universe. For instance, Kakashi could play a role as Naruto's mentor or friend, giving advice on how to handle his marriage to a non - human entity. And there could be other Shinigami - related characters that are part of the Shinigami's world and interact with Naruto.
Naruto is surely the central character in this fanfiction. Given the title, the Shinigami is another key figure. It's possible that characters like Kakashi could also play important roles. Maybe he serves as a mentor to Naruto in understanding the powers and responsibilities that come with being the champion of the shinigami. Also, villains or antagonists related to the shinigami's realm might be introduced as main characters to oppose Naruto.
Since it's a Naruto - based fanfiction, Naruto is likely to be one of the main characters as he is the Jinchuuriki. There might also be other characters from the Naruto universe such as his friends like Sasuke, Sakura, etc. who could be involved in the story related to Naruto's connection with the Shinigami.
Obviously Naruto would be one of the main characters, as the title implies he is the son of the Shinigami. There might also be other Naruto -verse characters like Sasuke, Sakura, and Kakashi who could play important roles. Maybe the Shinigami itself might be a character in some form, either as a physical presence or a guiding force in Naruto's life.
Apart from Naruto and the Shinigami, there could be other characters from the Naruto universe. For example, Sasuke might be involved. He could be either jealous of Naruto's new blessing or he could end up being an ally in Naruto's journey with this new power. Also, Kakashi could be there to guide Naruto in understanding and using the power given by the Shinigami. Maybe there are also some original characters created specifically for this fanfiction that are related to the Shinigami's realm or have some connection to Naruto's new situation.
Obviously Naruto would be one of the main characters since the title implies he is the substitute shinigami. There might also be other characters from the Naruto universe, like Sasuke or Sakura, who could be involved in Naruto's new role. They might either support him or be skeptical of his newfound powers and responsibilities.
Obviously, Naruto is one of the main characters. And of course, the Shinigami King. There may also be other characters from the Naruto series who interact with Naruto in the context of his relationship with the Shinigami King, like Sasuke or Kakashi.