Often, there are original characters who are powerful warriors that side with Naruto. For example, a mysterious swordsman who has a special connection to an ancient ninja art. Another common type is a healer who has unique abilities to not only heal physical wounds but also mental traumas, which is very useful in the war setting.
One of the most common original characters in this type of fanfiction is a young and talented ninja who looks up to Naruto as a hero. This character usually starts off inexperienced but grows throughout the story by learning from Naruto. There could also be an older, wise sage - like character who appears to guide Naruto through the complex situations of the war, providing him with insights and advice that he wouldn't get from his regular comrades.
In 'naruto hero of war fanfiction', you might find original characters like a female ninja with extraordinary stealth abilities. She can infiltrate enemy lines and gather crucial intelligence for Naruto. Another common original character could be a powerful summoner, who can call upon mythical beasts to aid Naruto in the war. These original characters add new elements and dynamics to the familiar Naruto universe during the war scenarios.
Often, they have unique abilities. For example, some might possess a special type of chakra or a new jutsu. They are also usually very determined. In many fanfictions, the OC war hero is determined to protect their village or loved ones no matter what. Another common trait is that they are outsiders in some way. Maybe they are from a small clan or have a different upbringing compared to the main Naruto characters, which gives them a fresh perspective on war and heroism.
One common type of original character is a rival. This rival could be another ninja who also wants to harness the power of the Kyuubi, either for good or bad reasons. They might challenge Naruto and his brother at every turn. Another could be a healer who is specifically attuned to the Kyuubi's chakra and can help Naruto when he has trouble controlling it. There could also be an old sage - like character who has been around since the time the Kyuubi was first sealed and has secrets to share.
In Naruto fanfiction, Sasuke and Naruto are often very popular. Their complex relationship and powerful abilities make for great storylines. In My Hero Academia, Deku and Bakugo are commonly used in fanfiction. Deku's journey to become a great hero and Bakugo's fiery personality provide a lot of material. When it comes to crossovers, Naruto and Deku are often paired up as they both have a strong sense of justice and a drive to improve.
Another set of popular characters could be Kakashi and All Might. Kakashi's laid - back yet highly skilled nature can be a great contrast to All Might's heroic and larger - than - life persona. Their mentorship styles could be compared and contrasted in the fanfiction. Also, the idea of Kakashi teaching at the hero academy can bring in a whole new dynamic to the story.
Hinata is quite popular in 'naruto end of war fanfiction'. Her relationship with Naruto can be developed further, and she can also have her own storylines related to the post - war world. Sakura is another popular character. Fans might be interested in seeing her growth as a medical ninja and her relationships with other characters after the war.
Sasuke is also a favorite. His brooding nature and powerful Sharingan abilities can be further explored in the context of total war. He could be a key figure in special ops missions or in forming alliances with other powerful ninja clans.
Naruto is the main character, of course. Hinata is very common as she is Naruto's wife in the original series. But other characters that often show up are Temari. Since she has interacted with Naruto on various occasions and has a strong personality. Another one could be Kurenai, who, although older, could bring a different kind of maturity and wisdom to the harem dynamic in the fanfiction.
Often, original characters that are strong warriors are popular. For example, a human ranger who has extraordinary archery skills and a deep knowledge of the Northern lands. He could be a lone wolf type character who joins the fight against the dark forces.
Naruto himself is always a popular choice. His journey from an outcast to a hero provides a lot of material for fanfiction. Writers can explore different aspects of his character, like his relationships with other characters in the Naruto Hero Z setting.
Naruto and Hiro are likely to interact. Naruto's enthusiasm and Hiro's intelligence would create an interesting dynamic. They could both inspire each other in different ways, like Naruto inspiring Hiro to be more bold and Hiro teaching Naruto about science and technology.