Obviously Naruto Uzumaki himself. He is the central figure of the Naruto series and with the focus on the Uzumaki clan wars, he would be right in the middle of it all, using his skills and the power of the Uzumaki bloodline.
One interesting plotline could be the discovery of long - lost Uzumaki clan techniques during the wars. These techniques might give Naruto an edge in battle and also help in uniting the remaining Uzumaki clan members.
Well, he could start a family with Hinata and have lots of kids, passing on his Uzumaki bloodline. Then, he could encourage his friends who have some Uzumaki connection, like Karin, to also have families and pass on their Uzumaki genes. He could also set up a school or training center in the Uzumaki land, teaching the Uzumaki ways of life and ninjutsu, which would attract orphans or those who want to be part of the Uzumaki clan.
Well, it could be that the Uzumaki clan has some hidden knowledge or ancient artifacts. In the fanfiction world, they might discover an artifact that has the power to save Naruto from a life - threatening situation. Maybe it's a charm that can heal his wounds or reverse a curse placed on him. And since the Uzumaki clan has a rich history, there are many ways they could use their heritage to save Naruto.
Yes, there are likely fanfictions with this premise. Naruto being an Uzumaki has a strong connection to the clan. In many fanfictions, authors explore the idea of Naruto taking on the role of the clan head. This can lead to various storylines, such as him restoring the Uzumaki clan to its former glory, uniting remaining members, and using his position to bring about positive change in the ninja world. It also allows for exploration of Uzumaki clan lore and powers that Naruto could inherit and develop further.
Naruto could also offer incentives for Uzumaki to have children. For example, providing better living conditions, education, and protection. He might also use his influence to find suitable partners for the remaining Uzumaki members, both within the village and from other allied villages. This way, they can start new Uzumaki families and gradually increase the clan's numbers.
Naruto could learn about the Uzumaki clan's sealing techniques. They were masters of sealing jutsu. In the fanfiction, he might find out how they developed these complex and powerful sealing techniques, which were passed down through generations. It could be that he discovers some unique seals that were only known to the Uzumaki clan and how they were used for various purposes, like containing powerful entities or storing chakra.
One can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own (AO3). These platforms have a vast collection of Naruto fanfictions where the Uzumaki clan might be featured. Just use the search function and type in relevant keywords like 'Uzumaki clan Naruto' to find the desired stories.
One possible scenario in a Naruto time - travel fanfiction involving the Uzumaki clan could be that Naruto travels back in time to save the Uzumaki clan from destruction. He could use his knowledge of future events and his powerful jutsu to prevent the tragedies that befell the clan, like the attack by other villages. This would change the course of the entire Naruto world as the Uzumaki clan was known for their strong life force and unique sealing techniques. If they were saved, it might lead to a much more powerful Hidden Leaf Village with the Uzumaki's influence.