I'm not sure exactly who the main characters are without reading the story. But they could be the people on different sides of the wall issue. Maybe there are community leaders, protesters, or construction workers involved.
Since we don't have the full details of 'the war of the walls story', it's difficult to name the main characters precisely. However, it's likely that there are characters representing the opposing views regarding the walls. There might be an idealistic young person who sees the walls as a form of oppression and wants to fight against them. And perhaps there's an older, more conservative figure who believes the walls are necessary for safety. These two could be among the main characters, along with others who are affected by the situation like local residents.
The main idea could be about a conflict related to walls. Maybe it's a physical fight over building or tearing down walls in a certain area, or it could symbolize a struggle between different groups with the walls representing boundaries or divisions.
I'm not sure as the details of the story are not given. But it could be the people who live or work in the place where the terror is happening, like a caretaker in a spooky old building.
The main characters are Joshua and the people of Israel. Joshua was the leader who led the Israelites in the events around the walls of Jericho.
I'm not sure as I haven't read it, but they could be the people who write on the bathroom walls or those who are affected by what's written.
I'm not entirely sure as there could be various main characters depending on the specific novel. However, often there is a protagonist who is the first to notice the strange behavior of the rats in the walls. Maybe it's a homeowner who starts to hear the scurrying at night and becomes increasingly paranoid.
I'm not sure specifically as I haven't read the book. But they could be scientists who are studying the bioluminescent walls.
The main character is likely the girl in the walls herself.
The most prominent character is the man with the ability to walk through walls. However, there might be other characters as well. For instance, if the story is set in a town, there could be neighbors who are curious about him or perhaps even afraid of him. There could also be a love interest who either accepts or is repelled by his strange power. These characters would play important roles in developing the story around the main character.
Since it's a fanfic, the main characters could be borrowed from an existing franchise and placed in this new setting of the broken castle walls. For instance, if it's related to a certain fantasy series, the main characters from that series could be re - imagined in this scenario. It could be a hero with special powers, a sidekick who provides comic relief, and an antagonist who wants to keep the castle in ruins for their own purposes. Without more details about the fanfic, it's difficult to be more precise about the main characters.
I'm not entirely sure as I haven't read it in a while, but there is usually a young protagonist who discovers the secrets of the house.