There might be a group of friends. For example, there could be a brave warrior, a wise old sage, and a mischievous trickster. Together with Mitta, they form a team to face the challenges presented by the blanks in their land. Each of them has their own skills and backstories that contribute to the overall story as they try to figure out what the blanks are all about.
Perhaps the main character is an outsider who comes into the world of Mitta. This character has no prior knowledge of the blanks but is quickly drawn into the mystery. They might have special abilities or knowledge from their own world that help them, and Mitta, in the exploration of the blanks and the secrets they hold.
It might be a love story. In the 'story of the blanks mitta fanfiction', perhaps there are two characters who have a connection that is initially full of blanks. They don't fully understand each other. As the story progresses, they start to fill in those blanks in their relationship, learning about each other's pasts, hopes, and fears, and eventually fall in love.
Well, there could be the popular girl who is expected to be prom queen but has a heart of gold and helps out the underdogs. She might be named something like Jessica.
A fashion - loving teenager would be a great main character. They are obsessed with lolashoes and their life changes when they get a special pair. Maybe they use the shoes to gain popularity at school.
A female healer could be a main character. In 10000 bc, healers were very important. She uses natural remedies and her knowledge of herbs to cure the sick in the tribe. She also has a special connection with the spiritual side of the tribe and often communes with the spirits to gain more knowledge about healing. She might face challenges when a new and unknown illness strikes the tribe.
One main character could be the leader of Organization 13, who has a very rare and powerful bloodline. This character would be in charge of guiding the organization's actions and making crucial decisions.
Obviously, Bowser himself would be a main character. He is the one whose inside story we are exploring. Luigi could also be a main character if he somehow gets trapped inside Bowser. And some of Bowser's minions like Goomba or Koopa could be main characters as well, as they live inside Bowser's kingdom and might play important roles in the events happening inside Bowser.
The main characters could be a newly created vampire - human hybrid and a pure - blood vampire. The hybrid, with its unique combination of human and vampire traits, might be shunned by both worlds, but find an unlikely ally and lover in the pure - blood vampire. Their love would be unstoppable as they face the challenges of being accepted in the Twilight world.
A detective - style character could be the main character. This could be a human or an animal detective who is hired to find the kidnapped lemon. They might have a special connection to fruits, like they grew up on an orchard, and they feel a sense of duty to rescue the lemon. They would then go on a journey, following clues and interrogating suspects.
The obvious main character could be the person who is adopted. This character could be a young adult who has lost their family in a disaster and finds a new family at Station 19. They could be a bit of an outsider at first, but gradually become an integral part of the team.
An ordinary high school student could be the main character. Their ten - year plan might involve getting into a top university, starting a successful business, and falling in love. Throughout the fanfiction, we see how they balance all these aspects of their life.