The boy may develop a more secretive side. Black Widow was used to keeping her true self hidden, and the boy - in her form - would likely do the same. He'd be more guarded with his emotions and thoughts, and his sense of humor might become drier, more in line with the sardonic nature that Black Widow sometimes showed.
He could become more empathetic in some ways. Since Black Widow has a complex backstory filled with pain and loss, the boy might start to understand others' traumas better. At the same time, he might also inherit her steely determination and be more focused on achieving goals, no matter the obstacles.
His personality might become more reserved and calculating, like Black Widow. He'd be more cautious in his interactions and less likely to trust easily.
The dynamic among the Avengers would be completely different. Instead of being a trusted ally, she would become a formidable enemy. They would have to figure out how to deal with her without hurting her too much, especially for those who were close to her like Captain America and Iron Man.
He might become more aggressive due to the dragon's natural instincts. Dragons are often seen as fierce creatures, so he could be quicker to anger.
His personality might not change completely. He'd still be the intelligent and laid - back person he was. But he might become more empathetic. Since he's now in a female body, he could better understand the struggles that girls face, which could make him more sensitive to others' feelings.
Dipper's personality change could be quite complex. Since he's now a girl, he might feel more pressured to conform to certain standards. This could make him initially more reserved. But as he gets used to it, his adventurous spirit could shine through in new ways. He might start to approach mysteries from a different perspective, one that combines his old way of thinking with the new insights he has from being a girl. He could also become more protective of those he loves, as he now has a different understanding of vulnerability.
I think Zoro's core personality of being tough and fearless would remain. However, being in a female body might make him a bit more aware of certain things, like how he's treated differently by some people. But overall, he'd still be the same Zoro who doesn't back down from a fight and is always looking to improve his skills.
His personality might become more empathetic. As a girl, Draco could start to see things from a different perspective. For example, he might be more sensitive to the way others are treated, especially other girls in Hogwarts.
Well, his confidence might shift. As a woman, Percy could be more cautious at first, having to deal with different social expectations. But he could also become more empathetic. Since society often expects women to be more in tune with emotions, Percy might start to pick up on the feelings of others more easily.
If Ash were to turn into a Pokemon in a fanfic, his personality would surely be affected. He's used to being in control as a trainer, but as a Pokemon, he'd have to learn to follow others' commands or work within a group. His once outgoing and friendly nature might become more cautious. He'd have to be more aware of predators and threats. And his competitive spirit might take on a different form. Instead of competing in trainer battles, he'd be competing in Pokemon - on - Pokemon battles, which could make him more aggressive or strategic depending on the Pokemon he turns into.
I think Tails' personality would be a mix of his old self and some new elements. He would still be the tech - savvy character we know. But as a girl, he might be more in tune with his emotions. He could also become more diplomatic, trying to bridge the gap between male and female characters in the Sonic universe. For example, he might start to mediate disputes between male and female groups more often, using his new understanding of both sides.
Her personality change could be influenced by the new experiences she has as a girl. For instance, she could be more fashion - conscious, which might seem superficial at first but could actually lead to a deeper exploration of self - expression. This newfound interest could make her more open - minded to different forms of art and creativity. Additionally, she might develop a more collaborative personality. Instead of always being the lone hero type as a boy, she could start to work more closely with others, especially other female characters, sharing ideas and building stronger relationships.