Obviously, Deku is one of the main characters. Since it's a Saiyan Deku fanfiction, he is the one with Saiyan powers. Other characters from My Hero Academia like All Might or Bakugo can also be important characters in the story, as they interact with Deku in different ways because of his new Saiyan abilities.
Well, obviously Deku in two forms - the younger and the older version are the main characters. The younger Deku is the one who is still growing and learning, while the older Deku has more experience.
Often, Goku or Vegeta are the main characters. Since they are well - known Saiyans in the Dragon Ball series. They are put into the gamer scenario, for example, Goku might be a novice at first in a new game but quickly learns and becomes a top player.
Obviously, Harry would be the main character. Since it's about him being a Saiyan. And I think some of his friends from the Harry Potter series might also be important characters, like Hermione and Ron. They could react to Harry's new Saiyan identity in different ways.
Most likely Naruto himself would be a main character. Since it's a Naruto - related fanfiction, he'd probably be the one to first experience or be influenced by Saiyan pride. It could also include Sasuke, as he often plays a major role in Naruto stories. They might interact in new ways due to the addition of Saiyan - like elements.
Bulma and Vegeta are often the main characters. Vegeta, as a Saiyan, brings in the elements of Saiyan pride, power, and the drive to become stronger. Bulma, on the other hand, is the intelligent human who can often balance out Vegeta's more brash Saiyan tendencies with her rational thinking.
Most likely Naruto would be one of the main characters since it's in the title. And perhaps there could be other Naruto - verse characters like Sasuke or Sakura. Since it involves Saiyan elements, there might be some sort of Saiyan - like or Saiyan - inspired character created for the fanfiction.
Obviously, Deku would be the main character since it's about being reborn as him. But other characters like All Might are also likely to be important. All Might was a huge influence on Deku in the original story, and in the fanfiction, he could still play a crucial role in mentoring the reborn Deku.
It's Deku and Todoroki. Deku is known for his never - give - up attitude and his ability to inspire others. Todoroki is recognized for his cool and sometimes aloof exterior but deep - down caring nature. In the fanfiction about their marriage, these traits interact and influence how they communicate, support each other, and face challenges as a couple.
Well, obviously Deku is one of the main characters. Since it's about him going berserk, he's at the center of the story.
Often, in 'super saiyan rwby si fanfiction', you'll find Ruby as a main character with Super Saiyan - like abilities. Ruby already has her own unique powers in RWBY, and adding the Super Saiyan element can create a really interesting dynamic. She could be the one who discovers this new form and has to learn how to control it while still leading her team against the Grimm and other threats in the RWBY universe. There could also be other characters from RWBY who play important roles in helping or hindering her journey with these new powers.