Well, perhaps there are characters like a young couple who decide to explore an empty house out of curiosity. They could be the main characters through whose eyes we experience the strange and ghostly happenings. There might also be an old caretaker of the property who has some knowledge about the house's dark past and warns the newcomers, but they don't listen at first. These types of characters are often found in such ghost stories to drive the plot forward.
It might include the owners or former inhabitants of the empty houses. They could have some connection to the hauntings. Also, there could be investigators or curious neighbors who become involved in the spooky goings - on.
There might be stories about haunted empty houses, where strange noises are heard at night. Maybe there are tales of apparitions seen in old, dilapidated buildings.
It's possible that there are ghostly figures that can be considered main characters in their own right. For instance, the spirit that haunts the dolls house. This ghost might have a backstory that is slowly revealed throughout the story. There could also be a psychic or medium type character who is able to communicate with the ghosts and helps to uncover the secrets of the haunted places in the book.
Maybe there's a curious explorer who ventures into the empty house. He or she is the main character who starts to experience all the horror.
The use of desolate settings like the empty house is a big factor. An empty, abandoned place gives an immediate sense of unease.
In 'Empty House and Other Ghost Stories', there might be tales of apparitions. For example, a figure that appears in a mirror but when you turn around, there's nothing there. These types of stories play on our fear of the unknown and the supernatural.
There could be a passer - by. This person might be the one who first notices the empty house and starts to wonder about it. Their curiosity can drive the story forward.
In these stories, the Canterville ghost is a prominent character. He's full of tricks and a sense of his old - world self. The Otis family members are all main characters in their own right. Mr. Otis is matter - of - fact and not easily scared. His wife is equally unflappable. Their children, including Washington and Virginia, each contribute to the story's development with their unique personalities and reactions to the ghost.
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.
I'm not sure exactly who the main characters are without reading it. But it could be the people who lived in the pre - war house. Maybe an old couple who have a lot of memories associated with the house.
The main characters in 'A Warning to the Curious and Other Ghost Stories' are not a single set of individuals but rather a collection of different people from various backgrounds. Some might be scholars with an inquisitive nature, like those who are interested in archaeology or local history and end up in a spooky encounter because of their research. Others could be locals in a small town where strange things start to happen. They all share the common trait of being involved in situations that involve ghosts and other supernatural elements. Each character's journey is unique, and they are all affected in different ways by the events in the stories.