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.
Well, in this 'naruto champion of the shinigami fanfiction', it could be that Naruto is chosen by the Shinigami for a special mission. The Shinigami might see something unique in Naruto, like his strong will or his ability to never give up. So, Naruto is made the champion. As the champion, he could be tasked with maintaining the balance between the living and the dead in the Naruto world. This would likely involve battles against those who try to disrupt this balance, such as evil spirits or necromancers. He may also have to face his own inner demons and learn how to control the power of the Shinigami without being consumed by it.
Obviously, Naruto would be one of the main characters since it's in the title. And the Shinigami who gives the gift is likely to be another important character.
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.
Well, Naruto himself is obviously a main character in most of these fanfictions. Since it's about Naruto and the Shinigami, he's the central figure around which the story revolves.
Obviously, Naruto would be one of the main characters since it's about him being the son of kami and shinigami. There might also be other characters from the original Naruto series like Sasuke, Sakura, and Kakashi who could be involved in his new story.
Obviously Naruto would be one of the main characters since the title implies his role. And then, there might be characters representing kami and shinigami. There could also be Naruto's friends like Sasuke, Sakura, etc. who would be involved in the story and react to Naruto's new status.