Often, the ghosts themselves can be considered as 'characters' in a way. They have their own backstories and reasons for haunting. These ghost characters are important as they drive the plot forward with their spooky actions and the mystery surrounding them.
Well, usually there's a brave kid who is at the center of the story. This kid is the one who faces the ghosts and tries to solve the mystery.
There might also be a sidekick, like a best friend of the main character. They often provide support and sometimes comic relief during the scary parts. In some 'Goosebumps Ghost Story' books, there could be an adult figure who initially doesn't believe in the ghosts but later comes to realize the truth.
There are many main characters in different Goosebumps novels. For example, in 'The Haunted Mask', Carly Beth is the main character. She's a girl who gets a really creepy mask that starts to change her.
Well, in the 'goosebumps school bus story', the main characters are likely to be the students on the bus. There could be a shy kid who is really observant and starts to notice the strange things first. Then there might be a popular kid who at first doesn't believe in the spooky happenings but later has to face the reality. And of course, the bus driver is also an important character. He could be under some sort of curse or be an accomplice to the supernatural events. The interactions between these characters and how they react to the terrifying situations on the school bus are what drive the story forward.
Since I haven't read 'ultimate goosebumps an old story' specifically, it's hard to tell exactly. However, based on the typical Goosebumps formula, there might be a curious young person as the main character. They could be someone new to a town or a place where this old story is centered. There might also be an older character, like a local eccentric who knows a bit about the old story but doesn't fully disclose it at first, creating an air of mystery. Another possible character could be a friend or a sibling of the main character who either helps or hinders their exploration of the old story.
In 'The Haunted Mask', Carly Beth is the main character. She's a girl who gets drawn into the horror of the haunted mask. In 'Say Cheese and Die!', Greg is the one who finds the cursed camera.
In 'Welcome to Dead House', the main characters are the Benson family. They are the ones who move into the spooky town and start experiencing all the strange things.
The main character is usually a kid who has to face the challenges posed by the Monster Blood. There may also be some friends or family members involved in the story.
In many Goosebumps short stories, the main characters are curious and brave. For instance, a kid might be the first to explore a spooky old attic in their new house. Sometimes there are pairs of friends who face the strange and scary events together. These characters are relatable to the readers, which makes it easier for them to get immersed in the story and feel the fear and excitement along with the characters.
In 'the ghost story', the main characters could be the people who encounter the ghost. Maybe a group of curious kids or a brave investigator.
As I don't know the particular '1930 ghost story', it could have a protagonist like a young journalist who is investigating the strange happenings. There might also be an old caretaker of the haunted place who has some secrets.
The main character in the Ghost of Tsushima main story is Jin Sakai, a samurai with a strong sense of duty towards his homeland. His uncle, Lord Shimura, is an important part of the story. Lord Shimura represents the traditional samurai values. Another important character is Yuna. She is a thief - turned - ally of Jin. She has her own skills and knowledge of the island which prove invaluable to Jin in his fight against the Mongols. There are also Mongol characters like Khotun Khan, who serves as the main antagonist, driving the conflict in the story.