There could also be original characters created specifically for the fanfiction. These new characters might be the main bearers of the death bloodline. They could have their own motives, like using the bloodline to seek revenge or to bring about a new order in the Naruto world. Their presence would add new storylines and relationships to the existing Naruto universe.
Often, Naruto himself might be involved. He could either be the one with the death bloodline or be interacting with someone who has it. His strong will and determination would make for an interesting dynamic when faced with the powers of the death bloodline.
Sasuke is also a likely character to be included. His quest for power and his own complex backstory could be intertwined with the death bloodline. He might be tempted by the power it offers or be in conflict with someone who wields it.
Often, Orochimaru is a common character in such fanfictions. He was always interested in obtaining powerful abilities in the original Naruto series, so it makes sense for him to be involved in bloodline stealing in fanfictions.
Obviously Naruto is the main character. Sasuke is often involved as well. Since Naruto's new bloodline power can change the power dynamics in their relationship. Sakura might also be there, perhaps helping Naruto to control his new abilities. Kakashi could play a role too, guiding Naruto in understanding and using the power of his awakened bloodline.
Well, apart from Naruto and Sasuke, characters like Kakashi can be found in 'naruto fuuinjutsu bloodline fanfic'. Kakashi has his Sharingan which gives him unique insights into various jutsu, including fuuinjutsu. And then there are the members of the Uzumaki clan. Their strong life force and natural affinity for fuuinjutsu make them important characters in these fan - created stories.
A common type of original character is one who has a Uchiha bloodline combined with another powerful bloodline like the Hyuga. This character often has enhanced visual abilities from the Uchiha side and the unique chakra - based powers from the Hyuga. Another could be a character with a Senju bloodline paired with a Jinchuriki - like power, making them extremely powerful and a target for many in the Naruto universe. These original characters usually have unique personalities that range from being stoic and brooding to more cheerful and outgoing, depending on the writer's vision.
Well, Naruto is an obvious choice. His connection to the Nine - Tails and his determination to master different techniques make him a central figure in many 'naruto fuinjutsu bloodline fanfiction'. Sakura might also be popular as she evolves in her skills and could be part of a story where she discovers a bloodline - related to fuinjutsu. Then there's Gaara. His unique sand abilities which could be related to a hidden bloodline in fanfiction and his connection to sealing jutsu in some storylines make him a popular character as well. There are also original characters created by fanfiction authors that can gain popularity within the specific context of this type of fanfiction.
Kakashi could be an interesting character in Naruto Furyan Bloodline Fanfiction. Given his Sharingan and his experience, how he would train or interact with a character having the Furyan Bloodline would be fascinating. He could potentially help the character master their new abilities while also keeping them in check to prevent any misuse.
Sasuke is also quite popular. Fanfiction writers like to explore how his Sharingan could further evolve and what new powers he could gain. They might also focus on how his Uchiha bloodline could interact with other bloodlines or new elements introduced in the fanfic.
Naruto could also be a popular character in these fanfictions. Imagine if he somehow inherits or discovers a medic bloodline. It would add a whole new dimension to his character. He could use his newfound healing abilities to not only help his friends but also in his fight against stronger enemies. For example, he could heal his own injuries during a battle more quickly, making him an even more formidable opponent.
Sasuke is often a popular character in these fanfictions. His natural talent and brooding nature can be well - combined with the power of the flame bloodline, making for some interesting storylines where he has to control this new power.
Sasuke is often a popular character in such fanfictions. His natural abilities and his connection to the Sharingan make him a prime candidate for exploring the concept of copied bloodlines. Writers might have him encounter situations where he has to deal with someone who has copied his bloodline or vice versa.