There might be a mentor - like figure that the traveler meets on his journey. This character could offer wisdom, guidance, or a different perspective, and thus be an important character in the novel.
The main theme could be about the journey of self - discovery. The traveler in the novel might be on a physical and mental exploration, encountering different people and cultures that shape his understanding of himself and the world.
I don't know for sure since I don't have information about this specific 'the traveler novel'. But it could be the traveler themselves, of course. Maybe there's also a guide who helps the traveler on their journey.
I don't know for sure since I haven't read it. But typically in a novel about a big event like a 'Storm of the Century', there might be a hero figure. Maybe a brave local who tries to save others during the storm. There could also be a family, with a mother, father, and children, each dealing with the storm in their own way.
Typically, the main character is the traveler themselves. They are the ones driving the plot forward with their journey.
Most likely the main character is the traveler. And of course, there would be the ghost as another key character.
The two main characters are Henry and Clare. Henry is the time traveler. He has a genetic disorder that causes him to time - travel involuntarily. Clare is Henry's wife. She has known Henry since she was a child, as he time - travels to her past. She is patient and loving, dealing with the difficulties of being married to a time traveler.
The main characters are Henry and Clare. Henry is the time traveler, and Clare is his wife.
I don't know who the main characters in 'electric century graphic novel' are. It could be an engineer who is at the forefront of electrical innovation.
Obviously, Ash is a main character. In many fanfics, Pikachu is also a central figure, always by Ash's side. Sometimes, other companions from the anime like Brock or Misty might also be important characters in these fan - made stories, depending on the plot of the fanfic.
There might be the time traveler as the central figure. Additionally, if the story is about the time traveler trying to change something in the past related to the cave, there could be a character who was involved in the original event in the past that the time traveler is trying to influence, like an ancient explorer or a miner.