Well, there could be a character who is Shikaino's partner in a joint venture. They have different working styles but they need to find a way to work together to make the business successful. Also, there could be a journalist character who is interested in covering Shikaino's rise in the business world and may either help or hinder her depending on the situation.
A potential main character could be the CEO of a large corporation that Shikaino is trying to do business with. He is initially skeptical of her abilities but as he gets to know her more, he starts to respect her. And then there could be Shikaino's best friend from college who also works in the business field and is always there to support her through the tough times in the business world.
One possible plot could be that in the business world, Shikaino is a young and ambitious entrepreneur trying to break into a male - dominated industry. She faces many challenges like discrimination and lack of resources at first. But through her hard work, she manages to get a small business off the ground. Eventually, she teams up with some unlikely partners and they together take on the big corporate giants in the field.
I'm not sure specifically about 'shikaino pregnant fanfiction'. There are many fanfiction platforms out there, but it might be difficult to find such a specific one without more context about who or what 'shikaino' is. You could try searching on popular fanfiction websites like Archive of Our Own and see if there are any relevant stories.
You might also check out FanFiction.net. It's another popular fanfiction website. But keep in mind that different websites have different rules and content availability. If 'shikaino' is from a particular media like a game or an anime, you could also look for specialized fanfiction communities related to that media.
Sasuke could be one of the main characters. He might be initially skeptical or even hostile towards Naruto's mermaid side, but as the story unfolds, he could come to understand and support Naruto. Another character could be Sakura. She could use her medical ninjutsu skills to help Naruto if he gets injured during his underwater adventures.
Another character could be a fellow inmate who has been in jail for a long time. He befriends Harry and teaches him the ropes of surviving in jail.
Azmuth, the creator of the Omnitrix, could be a main character. He might be interested in Eon's manipulation of time and the Omnitrix - related powers. His advanced technology and intelligence could add a new dimension to the fanfic. Also, characters from different timelines that Eon has affected could make appearances, like alternate versions of Ben or his friends.
Anakin's mother, Shmi, would likely be a very important character. Since Anakin is not being trained as a Jedi, he would be more focused on his family. Shmi's influence on Anakin would be even greater, and she could play a role in guiding his actions and decisions, especially in relation to the local community on Tatooine.
A lawyer could be an important character. This lawyer takes on Alexis's case, believing in their innocence. The lawyer has to battle a corrupt legal system or powerful opponents who want to see Alexis locked up for good. The fanfic could show the lawyer's strategies and how they build a case in Alexis's favor.
Another possible main character could be Gabumon. Gabumon is friends with Patamon and Takeru in the original series. He could join Patamon in exploring the mystery behind the lemon - related happenings in the fanfic. Gabumon's unique abilities might come in handy when dealing with any threats or obstacles that are connected to the lemon - themed plot.
There could be a young apprentice in the Clan who looks up to Breezepelt. After his death, this apprentice could be the one to carry on his legacy or try to solve the mystery behind his death if it was a suspicious one. This apprentice would then be a central character in the fanfic.