I don't know for sure. It could be the ghost itself.
Since I'm not familiar with the exact story, it might be a person who was once associated with Ticonderoga, like a soldier or a local who had an eventful life and death there, and then became the ghost in the story.
The 'the ghost of ticonderoga story' could be a local legend. It might involve a spirit that is said to roam around Ticonderoga. Maybe it has something to do with a battle that took place there in the past. For example, a soldier who died in the battle and his ghost still lingers. There could also be some sort of mystery or unfinished business that the ghost is supposed to be associated with.
The main character is Bradshaw, as it's a story named after him.
Since I don't know the actual story, it's hard to say. But likely, the main character is the 'guest' mentioned in the title. This guest could be anyone, perhaps a traveler, a curious explorer, or just someone who accidentally ends up in a spooky place.
I don't know who the main character in 'the moth ghost story' is. It could be a person who is haunted by the moth - related ghost, like a young girl who discovers the mystery of the moth ghost in her old family house.
Since we don't have much detail, it might be the one who first discovers the presence of the watcher. This could be someone who moves into a new place, like an old house, and starts to notice odd things that lead them to suspect there's a ghostly watcher. They would then be the main character as they try to figure out what's going on with this watcher.
Often, it's a student who stumbles upon the mystery. For example, a curious new student who isn't afraid to explore the school's hidden corners.
It's almost certain that the main character is Clarissa. In a ghost story, the name in the title often indicates the central figure. She could be a young girl who is curious and brave, or perhaps a more complex character with a troubled past. If she is the one haunted, she will be the one who has to face her fears and figure out what the ghost wants. If she is the ghost, then the story will be about her story, her life before death and why she is still lingering in the world of the living.
Since I don't know the exact 'gray ghost story', I can't say for sure who the main character is. It could be the gray ghost itself.
I'm not sure exactly, but it might be the person who has the encounter with the Tailypo.
Since I don't know the exact 'the wanderer ghost story', it could be the wanderer itself, the ghost that is the focus of the story.