I don't know for sure as I haven't read it. But I assume Naruto would be one of the main characters since it's in the title. And the other characters related to the 'two suns' concept might be important as well, perhaps two original characters created by the fanfiction author.
Since I haven't read the 'naruto my two suns fanfiction', it's difficult to determine the main characters. However, given the title, Naruto is likely to be a central figure. The 'two suns' could refer to two other well - known Naruto characters who play a significant role in this fan - created story, or they could be entirely new characters designed to add a fresh perspective to Naruto's story.
Another common type of main character could be a healer. In a world full of death and darkness, a healer is essential. They use their powers to keep the other characters alive during their battles and quests. Their presence gives a sense of hope among all the doom and gloom.
Since I haven't read this particular fanfiction, I can't say for sure. But it could be the'son of suns' character as the main protagonist, and perhaps some classic Star Wars characters like Jedi knights or Sith lords who interact with him.
I'm not sure specifically as I haven't read this exact fanfiction. But generally, in Naruto fanfictions, it could be about new adventures, relationships, or power - ups for the characters. It might center around Naruto and two important elements or characters that are symbolically like 'two suns' in his life.
One of the main characters is Ida Mae Gladney. She is a sharecropper's wife from Mississippi who decides to leave the South for Chicago in search of a better life. Another important character is George Starling. He is a young man from Florida who has to flee due to threats from the white establishment because of his activism.
Luke Skywalker is often a popular character. His journey and growth in the Star Wars universe are well - known, and in Twin Suns fanfiction, he can be further explored in new and exciting ways.
Fanfiction based on 'A Thousand Splendid Suns' often explores different aspects of the original story. It might focus on the characters' unspoken thoughts or alternative endings. For example, some fanfictions could delve deeper into Laila and Mariam's friendship, showing more of their daily interactions and how they supported each other in ways not fully explored in the book.
Sasuke is often a main character in such fanfictions. He could be Naruto's right - hand man, using his skills and intelligence to support Naruto's rule. Their relationship might be more complex, with Sasuke having to come to terms with Naruto's new position of power.
There could also be some original characters created specifically for this fanfiction. For example, a powerful ninja who has knowledge about the merge process and tries to either help or hinder Naruto. Or perhaps an ancient spirit that was somehow involved in the creation of Dark Naruto in the first place and now has an interest in the merge.
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.
Often, in Naruto Blackfire fanfiction, Sakura can also be an important character. She might be jealous of the new relationship between Naruto and Blackfire, or she could work together with them. Sasuke may also make an appearance, especially if the story involves some sort of threat to the ninja world that requires his power. So, while Naruto and Blackfire are central, other characters from the Naruto universe play significant roles as well.