Her character could be different from Finn in terms of her emotional intelligence. Finn might be quick to anger or act impulsively, but the twin sister could be more in tune with her emotions and those of others. She could be the one who helps the family members deal with their internal conflicts, like Tommy's PTSD or Arthur's alcoholism. She might also have different interests than Finn. While Finn is into the typical Peaky Blinders activities, she could be interested in art or music and use that as a way to connect with a different crowd, which could bring new opportunities or threats to the family.
One popular storyline could be the twin sister getting involved in the family business in a way that surprises everyone. Maybe she has a natural talent for the more underhanded aspects of the Peaky Blinders' operations that even Finn didn't expect. Another could be her having a romantic relationship with one of the other Shelby family members' rivals, which causes a great deal of drama within the family. And then there's the idea of her trying to break free from the family's shadow and make a name for herself in a more legitimate way, but constantly being pulled back in by the family's needs.
Finn might become more empathetic. As a girl, he could be more in tune with his emotions and those of others. For instance, he might notice small details about how his friends are feeling that he didn't before. He could also develop a different sense of style and self - presentation, which would be a new aspect of his character growth.
She could be developed as more carefree compared to Percy. Percy is often uptight and by - the - book. His twin sister could be the one who's always breaking the rules in a harmless way, like sneaking out to the Forbidden Forest just to explore. This would make her a more rebellious character, which is a big contrast to Percy.
In fanfiction, their relationship could be developed by having them team up for a noble cause, like saving the Candy Kingdom from a new threat. During this mission, they face challenges that require trust and cooperation. Finn might learn to be more patient with Marceline's mood swings, and Marceline could come to appreciate Finn's unwavering optimism. Also, they could have a friendly competition that turns into a deeper understanding of each other's strengths and weaknesses.
First, give her a distinct personality. If Naruto is all about determination and Sasuke is brooding, she could be the calm and wise one. Then, give her a backstory. Maybe she was separated from Sasuke at a young age and grew up in a different part of the ninja world. This would shape her view of things. Another way is to show her relationships. For example, how she interacts with Naruto's friends like Sakura and Kakashi. This will help to flesh out her character more.
To develop her character, she could have a unique power set. Maybe she has the ability to see all possible timelines clearly. This power could be used to show her wisdom and her desire to guide the Supernatural world towards a better future. She could use this power to help Sam and Dean avoid the worst - case scenarios that Chuck has planned for them, and in the process, her character would be fleshed out as a helper and a force for good in the story.
The character of Percy's twin sister can be developed by giving her unique personality traits. For example, if Percy is brave and impulsive, she could be more cautious and calculating. Her appearance could also be distinct, like having different colored eyes or hair. Additionally, her relationships with other characters in the Percy Jackson universe can help develop her. If she befriends Annabeth, for instance, it can show her intelligence and ability to form strong bonds.
You can start by giving her a distinct personality. If Harry is brave and impulsive, she could be more cautious and thoughtful. This would create an interesting contrast between them. Also, give her some unique hobbies or interests, like she's really into ancient runes or potion - making. This will make her a more well - rounded character.
In fanfiction, their relationship could be developed by having them teach each other things. Finn could teach Marceline about his simple but effective survival skills, like building shelters or finding fresh water. Marceline, on the other hand, could teach Finn more about the complex magic that exists in the Land of Ooo. This exchange of knowledge would not only bring them closer but also make them respect each other more. Also, they could get into some light - hearted arguments about different ways of doing things, which would then lead to a better understanding of each other's personalities.
First, study the characters in Peaky Blinders well. Understand the little sister's possible personality traits based on the family environment. Then, come up with a unique plot. It could be something like she discovers a long - lost relative who has a connection to a valuable asset. Next, work on the dialogue. Make it true to the era and the characters' voices. For example, use the slang of the time.