It's very possible. In the realm of fanfiction, the sky's the limit. Writers love to mash up different concepts and characters. If Naruto were a Galactus fan, it might start with Naruto somehow learning about Galactus. Maybe he stumbles upon some ancient scrolls that mention Galactus' power. This could then lead to Naruto's journey to understand more about this cosmic being, and how it might relate to his own ninja world and his quest for power.
Well, it could center around Naruto coming across knowledge about Galactus. He could start to idolize Galactus' ability to control cosmic forces. Naruto might then attempt to incorporate some of those ideas into his own jutsu development. For example, he could try to create a jutsu that has the same all - consuming effect as Galactus devouring a planet, but on a smaller scale within the ninja battles he faces.
One interesting story could be where Galactus arrives in the Naruto universe and the ninjas initially mistake him for a new powerful demon. They try to fight him using their jutsu but soon realize his power is on a completely different level. Naruto, being the determined hero, tries to communicate with Galactus to understand his purpose and prevent him from consuming the world's energy.
Besides Naruto and Sasuke, Sakura could also be a main character in such fanfiction. Her medical ninjutsu skills might be needed to heal the wounded during the battles against Galactus. And there could be some original characters created specifically for the fanfiction who have some special knowledge or power related to Galactus and the Naruto world.
There could be new villains from the cosmos. Since Naruto is the son of Galactus, other cosmic entities who oppose Galactus might target Naruto. For example, some powerful alien race that wants to get rid of any trace of Galactus' bloodline. They could send their most powerful warriors to the ninja world to take on Naruto.
Perhaps in this fanfiction, Naruto's origin as the son of Galactus is a secret at first. As he grows up, he starts to have strange dreams or experiences that lead him to discover his true heritage. This discovery could then lead to a whole new arc in the Naruto story. He could then seek out knowledge about Galactus and his powers, and along the way, face challenges from those who want to use his powers for their own gain or those who want to destroy him because of his connection to such a powerful being.
I'm not sure if there is a specific fanfiction exactly like that. There are countless fanfictions out there, and while the Naruto and Kingdom Hearts (where Xigbar is from) universes are quite different, it's possible some creative writer has combined them in that way. But it's not a common or well - known concept that I'm aware of.
Yes, there might be. The Naruto and Bleach universes are both very popular in the anime and manga fandoms. Some creative fans like to cross over characters from different series in fanfictions. So it's possible that someone has written a story where Naruto is a fan of Szayel.
Yes, there might be such a fanfiction out there. The idea of Naruto being a fan of Genryusai Yamamoto is an interesting crossover concept. In the world of fanfiction, creators often like to blend different fictional universes. It could involve Naruto being in awe of Yamamoto's power and leadership skills, perhaps even learning some new techniques or ways of thinking from him.
It's very likely. Given the vastness of fanfiction, there's probably a story out there where Naruto has an admiration for Optimus Prime. This could create a great contrast, with Naruto's ninja skills and values interacting with Optimus' heroic and robotic nature. It could also explore how Naruto might view the concept of protecting a world from a different perspective, influenced by Optimus Prime.
Yes, there could be. Fanfiction often combines different fictional universes in creative ways. It's not uncommon for fans to write stories where characters from one series, like Naruto, have an interest in or are related to characters from another series, such as the Zeoticus Gremory from High School DxD. However, the popularity and availability of such a specific fanfiction might vary depending on the fanfiction platforms and the creativity of the fan writers in that community.