Well, Naruto is almost surely going to be a main character in 'naruto planetary devastation fanfiction' as he is the protagonist of the original series. Besides him, characters like Kakashi, who is Naruto's teacher and a very powerful ninja, could also be main characters. Also, characters like Sakura, who has her own set of skills and is part of Naruto's group, might be important in the fanfiction.
In this type of fanfiction, Naruto would be a central figure. His friends and allies from the original series would also likely be main characters. This includes Shikamaru, who is known for his intelligence and strategic thinking. He could play a crucial role in dealing with the planetary devastation threat. Hinata, who has feelings for Naruto and is also a capable ninja, might also be a main character, especially if the story involves protecting the village or Naruto himself from the forces behind the planetary devastation.
It could be about various things. Maybe it focuses on a powerful jutsu in Naruto that causes planetary - level destruction and how the characters deal with it. It might also explore new storylines where a character gains the ability to use such a powerful attack and the consequences that follow.
A group of power - hungry ninja clans could band together to form the main antagonist. They believe that by controlling the Planetary Devastation technique, they can rule over all others. They start a war against the main ninja villages and Naruto has to face them, not only in battle but also in trying to understand their motives and find a way to stop the war without mass destruction.
A plot could involve a villain who also has the ability to use Planetary Devastation but in a corrupted way. Naruto has to figure out how to stop this villain without using the same destructive technique himself, leading to a journey of self - discovery and finding new powers. For example, he might have to master some ancient sealing jutsu to counter the threat.
Since I don't have much information about this 'planetary prince visual novel', the main character is likely the planetary prince himself. There may also be supporting characters like his loyal servants, wise advisors, or a love interest.
The Commander is often a popular character. They are in a position of power and decision - making, so they can be easily integrated into various crossover scenarios. Also, the Alien Titans tend to be popular as they are these huge, powerful entities that can add a lot of drama and action to a fanfiction story. And the Galactic Colonies' scientists can be popular too, as they can bring in the element of discovery and innovation in crossovers.
The commanders are often popular characters. They are the ones leading the armies and making strategic decisions. Their strong leadership skills and different personalities make them interesting to write about.
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.