I'm not sure as I haven't read it, but it could be a detective type character who is trying to solve the mysteries of the house.
Since it's a mystery graphic novel, there might be a young and curious protagonist who stumbles upon the house of mystery. There could also be an old caretaker of the house who knows some of its secrets but won't easily share them. Maybe there's a ghostly figure that haunts the place and is somehow related to the overall mystery.
I don't know as I haven't read it. But usually in a story about a house, there could be the family members who live there like the parents, children, or an old grandparent.
Since I haven't read 'the house on the borderland graphic novel', I can't say for sure who the main characters are. However, they could be people who have some connection to the borderland or the house. Maybe an explorer, a local resident, or someone who has a special mission related to the place.
I'm not sure exactly as I haven't read it. But it could be the people who live in the house, like a family. Maybe there's a curious child who starts to discover the secrets, or an old caretaker who knows more than he lets on.
I haven't read the 'a house divided graphic novel', so I can't tell you exactly who the main characters are. But they could be people on different sides of the division, like a leader of one faction and a rebel from another.
I'm not sure which specific 'Tonko House graphic novel' you're referring to. Different novels might have different main characters.
I'm not entirely sure, but it could be characters from Greek mythology.
Since I haven't read it, I can't say for sure. But it could have characters like the homeowners, the firefighters, and maybe some neighbors.
Since we don't have much information, it's difficult to name the main characters precisely. However, in most graphic novels, there are often characters with distinct personalities. In the case of the 'house of Gord graphic novel', there could be a brave adventurer type who is always eager to explore the nooks and crannies of the house. There might also be a more cautious character who provides a counterbalance to the adventurer's impulsiveness. And then there could be a character with some sort of special ability that is crucial to the story.
I don't know for sure since I'm not familiar with this specific graphic novel. But they could be outcasts or individuals with special abilities considering it's about odd things.
I don't know for sure since I haven't read it. But usually, the main characters in a graphic novel are the ones who drive the story forward. They could be the people who live in the 'house of x' or those who have a special connection to it.