Well, Naruto is definitely one of the main characters since it's in the title. He would be the central fighter. Sakura might also be a main character, perhaps as Naruto's support or even as a fighter herself, using her medical ninjutsu in combat in new and creative ways.
Sasuke could be another main character. He and Naruto might have a different kind of rivalry in this fanfiction, centered more around their fighting skills. Kakashi could also play an important role, maybe as a mentor to Naruto and the others in their new fighting adventures.
Obviously Naruto would be one of the main characters since it's in his name. There might also be Sasuke, as he often plays a significant role in Naruto - related stories, either as a rival or an ally.
Typically in 'the fighter novel', the main character is the fighter, who is at the center of the story's action. There could be a sidekick or a partner who helps the fighter in some way. And often, there is an antagonist, a powerful foe that the fighter has to overcome. The relationships between these characters are what drive the plot forward. For example, the fighter and the mentor might have a father - son or daughter - like relationship, and the conflict with the antagonist is what creates the main tension in the story.
In 'Naruto Fighter Fanfiction', Naruto and Sasuke are the top picks. But don't forget about Rock Lee. His pure taijutsu skills can make for some exciting fight scenes. Gaara, with his control over sand, is also a very interesting character to feature. Hinata, with her gentle yet powerful fighting style, especially her Byakugan abilities, can also be a great addition to the story.
Naruto himself is often very popular. His never - give - up attitude and his powerful jutsu make him a central figure. Fans love to see him in intense, brutal fights and how he overcomes difficult opponents.
It depends on the specific fanfiction, but it could be Harry Potter himself taking on a new role as a pit fighter. He would bring his Gryffindor courage and his powerful magic skills to the pit.
Well, obviously Bella is a main character. Often, there might be a tough trainer or mentor figure who helps her improve her fighting skills. For example, an old and experienced fighter who sees potential in Bella.
Ryu and Ken are main characters. They are both skilled martial artists trained in the same fighting style. Then there's Chun - Li, a determined fighter. And M. Bison, the big bad guy who causes a lot of trouble.
I don't know as I haven't read this novel. But usually in a novel about a night fighter, there might be the night fighter themselves as a main character. Maybe a strong and brave individual with special skills.
Naruto and Sasuke are definitely popular. Their rivalry is iconic in the Naruto series, and it would be exciting to see them face off in an arena. Sakura is also a common choice as she has her own set of skills. Kakashi too, with his Sharingan and vast array of jutsus. And of course, Rock Lee, with his amazing taijutsu skills. His unique fighting style can make for some really intense arena battles.
The main characters in the Street Fighter origin story are Ryu and Ken. They are the central figures as they are the ones who start their journey in martial arts together under Master Gouken.