Perhaps some new characters who have risen to prominence in the centuries - long span. They could be from clans that were previously not as well - known but have now become major players in the ninja world. However, we can't rule out the possibility that some of the original characters might still be around in some form, like through powerful jutsu that have extended their lifespan or left behind some sort of spiritual essence that still influences the story.
There may be a character who is a historian in the 'naruto centuries fanfiction', who is trying to uncover the secrets of the past and in doing so, becomes a central figure. This character could be related to one of the old clans but has a different view on the history of the ninja world. And of course, there could be antagonists who are trying to disrupt the new - found peace or gain power in this changed world over the centuries.
It could be descendants of the original Naruto characters. For example, there might be a great - great - grandson of Naruto himself with similar but also different powers.
There could be new characters introduced who become central to the story. They might be from different regions that have emerged over the centuries in the Naruto universe. However, it's also possible that some of the original main characters, like Sasuke or Sakura, might still have a role to play through their lineages or some kind of time - related magic in the fanfic.
I'm not sure as the 'Seven Centuries Novel' is not a widely known specific novel to me. But generally, in a novel spanning such a long time, the main characters could be from different generations or families that play key roles in different historical periods covered.
It could be a new god or goddess who has risen to power during Percy's long sleep and sees him as a threat to their rule. This new deity might be jealous of Percy's past heroics and fame among the demigods and wants to eliminate him.
Yes, there might be. The Naruto fandom is quite large and creative, so it's not unlikely that someone has created a fanfiction where Naruto sings 'Centuries'. You could try searching on popular fanfiction websites like Fanfiction.net or Archive of Our Own.
It could be about Naruto being transported to a modern world and performing 'Centuries' at a concert. Maybe he uses his ninja skills to create an amazing stage show.
One interesting concept could be exploring how the ninja world has evolved over the centuries. Maybe new jutsu have been developed or different clans have emerged with unique abilities.
Kankuro is another possible main character. He's a puppeteer from the Sand village. Fanfiction might delve into his growth as a ninja, his relationships with his siblings, or his development of new puppet techniques.
Obviously Naruto is one of the main characters. Given the title, he has a significant connection to the Juubi in this fanfiction.
Obviously, Naruto himself is a main character as the story revolves around his revival. His friends like Sasuke, Sakura, and Kakashi are also likely to be main characters. They would be involved in the process of bringing Naruto back or in helping him adjust to his new life after revival.
Often, there are original characters created specifically for the fanfiction that interact with Damocles and Naruto. These characters could be other ninja from the village, or perhaps outsiders who bring new challenges or perspectives to the story. They might have unique abilities or backstories that tie into the overall plot and help drive the story forward, making the interactions between all the characters more interesting and complex.