She would likely see Gryffindor as a place full of potential allies. Her own sense of justice aligns well with their courage. In Ravenclaw, she would respect their intelligence but might find it a bit dry compared to her life in Gotham. Slytherin would be a challenge for her. She'd have to navigate the politics and ambition there. And in Hufflepuff, she'd initially be confused by their laid - back and friendly nature, but over time might come to appreciate their simple values and the sense of community they have.
She'd probably be a bit of a misfit in Hufflepuff. The values of hard work and loyalty in Hufflepuff might not seem as exciting to her as the action - packed world she's used to. In Gryffindor, she'd fit in better with their courage, but might also clash with some of the more reckless Gryffindors. In Ravenclaw, she could learn a lot from their thirst for knowledge. And in Slytherin, she might understand their ambition, but also be at odds with some of their more underhanded tactics.
Well, perhaps she could be a transfer student. She'd bring her combat skills from the Batman world to Hogwarts. Maybe she'd get into trouble for using non - magical ways to solve problems at first, like trying to physically fight a magical creature instead of using a spell. And she'd probably be really good at Defense Against the Dark Arts because of her training as a vigilante.
Slytherin is also a possibility. He has to be resourceful to make his own web - shooters and manage his double life. In Hogwarts, he might use his cunning to get out of tricky situations, like when dealing with the mysteries and politics within the school. However, his moral compass would likely keep him from the more negative aspects of Slytherin. He would probably be a different kind of Slytherin, one who uses his wits for good.
He might initially be met with suspicion. The Hogwarts faculty are protective of their school and students. However, Percy could win them over with his courage. For example, if there was a dangerous situation, he would jump in to help, just like he did in his demigod adventures. Professors like McGonagall might be impressed by his loyalty and sense of justice.
He would probably interact with Dumbledore. They are both very wise, and Dumbledore would be eager to learn from Merlin's ancient knowledge.
Percy would probably be very friendly and try to form study groups with the Hogwarts students. He's used to being a leader, so he might even start some new clubs. Thalia would be a bit more standoffish at first, but once she gets to know some students, she'd be very protective of them. Nico would be the mysterious one. The Hogwarts students might be a bit scared of him at first, but once they see his softer side, they'd become friends.
If she has the power to read minds like some Cullens, it could give her an advantage in divination or in dealing with other students. But it might also get her into trouble if she's caught using it unethically. Her super strength could be useful in Defense Against the Dark Arts practical lessons, but she'd have to be careful not to accidentally harm her classmates. Also, her powers might interact in unexpected ways with magic, like when she tries to use a spell on an object and her vampire strength affects the outcome.
Naruto would be very friendly and outgoing, quickly making friends with many Hogwarts students. He'd be eager to share his ninja stories and learn about magic from them. Sasuke would be more aloof at first. He might only interact with students who he sees as strong or useful. Gaara would be a bit of an enigma. Some students might be intimidated by him, but those who get to know him would find his quiet strength appealing.
In this fanfiction, Dudley would surely interact with the Hogwarts professors. Professors like McGonagall would be strict with him, making sure he follows the rules. He might also cross paths with Draco Malfoy. Given Malfoy's attitude towards Muggle - borns, there could be some conflict there. And let's not forget the other students in his house. They would play a big role in his Hogwarts experience, either befriending or ostracizing him.
Maya could be a Slytherin. She's often a bit of a rebel and is very resourceful. Slytherins are known for their cunning and ability to get what they want, and Maya has shown that she can be quite sly when she needs to be in order to protect herself or her friends.
Naruto might also be a good fit for Hufflepuff. He has a strong sense of loyalty and is always there for his friends. He works hard to achieve his goals, which are traits of Hufflepuff house as well. In the Hogwarts environment, he would show that Hufflepuffs can be as powerful as any other house with his ninja skills.