I'm not sure exactly, but it could be a family. Maybe a mother, father and their kids.
Perhaps it's a single person who moves into the new house. They could be a young professional starting a new life, and then they become the main character who has to deal with the ghostly happenings all by themselves.
It could be a group of friends who decide to rent the new house together. They might be students or young adults looking for a place to live. And when the spooky things start to happen, they all have different reactions, some are scared, some are curious, and they all play important roles as main characters in this ghost story.
Typically, the main characters could be the family or people who live in the haunted house. They are the ones who experience the strange happenings related to the ghost.
It could be a young couple who just bought their first new house. They are excited about starting their new life together in the new place.
It could also be a group of friends who decide to buy a house together. Each friend would have their own personality and role in the story, and they would face different situations together as they share the new house.
In the 'luigi ghost house story', Luigi is the central figure. He is the one who enters the ghost house and experiences all the events. As for other main characters, there could be a big, boss - like ghost that Luigi has to face at the end of his journey through the house. There might also be a friendly ghost that helps Luigi along the way, guiding him through the tricky parts of the house and giving him advice on how to deal with the other, more menacing ghosts.
Since I don't know the exact story, it's hard to say. But it could be the people who live in the house, like a family or an individual.
Since I don't know the story, I can't say for sure. It could be the owners of the house, whether they are new or have a long - standing connection to the old house.
The primary character is the mouse. But depending on the story, there could be a human character as well. Maybe the mouse is trying to build its new house near a human house, and the human unknowingly affects the mouse's plans. Or perhaps there's a friendly human who helps the mouse in some way, like leaving out some scraps of material that the mouse can use for its new house.
Typically, there is a person who decides to stay in the judge's house, perhaps a traveler or someone on a strange mission. And of course, there's the ghost which is a main 'character' in the sense that it drives the spooky events in the story.
I'm not entirely sure, but there might be a young person who experiences the ghostly encounters. This character could be a newcomer to New York, which makes their reactions to the ghosts more interesting.
I don't know for sure as I haven't read or watched it. But typically in a Chinese ghost story, there could be a young hero or heroine, perhaps a scholar or a brave girl. And then there would be the ghost characters, which could range from a beautiful female ghost to a malevolent spirit.