The main character is Harry. However, we can expect to see some powerful demigod figures. Maybe there's a demigod version of Draco Malfoy who has a different relationship with Harry in this new context. Also, the gods from different mythologies might make appearances, like Zeus or Odin. Their interactions with Harry and how they influence the plot would be fascinating to read about.
Well, Harry Potter would obviously be one of the main characters. Since it's a fanfiction about him being a demigod, he would be central to the story.
The main characters would include Harry Potter, who is at the center of this new concept of being a demigod of Hecate. Dumbledore might also play a significant role. He could be the one to guide Harry in understanding his new powers and identity. And then there could be some new characters created specifically for this fanfiction, like other demigods or magical beings who either help or oppose Harry in his journey related to his demigod status.
Obviously, Izuku is one of the main characters since the title mentions him. He's the demigod in this fanfiction.
Hermione is often a popular character in Harry Potter demigod fanfiction. Her intelligence and thirst for knowledge can be easily combined with demigod - like powers. For example, she could be a demigod of wisdom, using her new - found powers to solve even more complex magical problems. Harry himself is also a common choice. As the Boy Who Lived, adding demigod powers to his existing abilities would make him an even more formidable character. And then there's Draco. The Slytherin could be a demigod with powers related to his family's dark secrets, which would add a whole new layer to his character.
Based on the title, it seems Tony's niece would be a main character. As for others, it's hard to say without more information. There could be other demigods, or perhaps characters related to Tony who play important roles.
Since it's a fanfiction about Percy as a Chinese demigod, Percy is surely one of the main characters. There may also be characters inspired by Chinese mythology, like the Monkey King. The Monkey King could be a mentor or a rival to Percy, given his powerful and mischievous nature in Chinese mythology.
Obviously, Percy would be one of the main characters. Since it's about him being a Persian demigod. There might also be characters from Persian mythology like Rostam or Arash who could play important roles, either as allies or antagonists to Percy.
Obviously, Percy is one of the main characters. He is the central figure as the story is about him knowing he is a demigod. His friends like Annabeth could also be main characters. She is smart and resourceful, and she can help Percy navigate the world of demigods.
Hermione Granger is often a popular character in these crossovers. Her intelligence and magical skills can be interestingly paired with the powers of a Greek demigod. Maybe she could learn from the demigods' combat skills while teaching them about magic.
One possible main antagonist could be a dark wizard who is jealous of Harry's new powers. This wizard might try to steal Harry's power or find a way to nullify it.