There could also be other important characters. For instance, Hermione and Ron could play significant roles. They might be initially skeptical about Blaise being Harry's brother but then come to accept and support the new family dynamic. And Dumbledore could also be involved, guiding the two brothers in understanding their new relationship and the implications it has for the wizarding world.
Well, clearly Harry and Blaise are the main characters. Harry Potter is a well - known character from the original series, known for his courage and his fight against Voldemort. Blaise Zabini is also from the wizarding world. He's often portrayed as a rather mysterious Slytherin. In this fanfiction, they are the focus as they become mates.
Another plot might involve them teaming up against a common enemy. Maybe a dark wizard is targeting them because of their combined magical abilities and they have to use their brotherly bond to overcome the threat. They could learn new spells together and support each other in battles.
One possible plot could be that they discover they are brothers early on in their Hogwarts years. This leads to them having to navigate the complex wizarding world together, facing the challenges of Voldemort's return side by side. They combine their different skills, Harry's Gryffindor courage and Blaise's Slytherin cunning, to outwit the Death Eaters at every turn.
One of the main supporting characters could be Severus Snape. He could be observing their relationship from the sidelines, perhaps with a hidden agenda. Pansy Parkinson might also be a part of it, being Blaise's friend and having an opinion on his relationship with Harry. Additionally, Dumbledore could be a supporting character, guiding them in some way, like giving them tasks that force them to work together and strengthen their relationship.
Obviously, Harry and Blaise are the main characters. Harry, the famous Gryffindor hero, and Blaise, a Slytherin student. They are the ones at the center of this accidental marriage situation.
Since it's a fanfiction, the main characters could be entirely new creations that fit within the Harry Potter universe. However, if it sticks to the main theme of the original series, it might still center around the core group of friends. Maybe it focuses on Neville Longbottom and Seamus Finnigan and how they develop a brother - like relationship over the years at Hogwarts. They both grow a lot during their time at school and could be the main characters in this fanfiction, facing challenges together and being 'brothers to the end' in a sense.
The main characters are Ginny and Blaise, of course. Ginny, known for her feisty and brave nature from the Gryffindor house. And Blaise, who is often depicted as a rather mysterious and somewhat aloof Slytherin. In this fanfiction concept, they are the central figures around whom the whole story of the unexpected pregnancy revolves.
At first, it might be a bit rocky. Harry, being a Gryffindor, and Blaise, a Slytherin, have different outlooks. But as brothers, they'd gradually start to understand each other more. They'd probably become protective of one another and support each other in the face of danger.
Well, aside from the three brothers, there might also be other characters that play important roles. For instance, Ginny Weasley could be in the story as Harry's love interest. Mrs. Weasley would also likely be there, fussing over all of them like a mother hen, making sure they're well - fed and taken care of.
Their parents could be main characters. Blaise's mother, who might be a proud Slytherin - influenced witch, and Hermione's parents, who are Muggles but have a unique connection to the wizarding world through Hermione. Their interactions could add a lot of depth to the story.