Since we have no details about this 'the talent scary story', it's difficult to determine the main characters. However, it might have a talented young person as the main character, and there could be some other characters who either help or hinder the protagonist in the scary situations related to their talent. Maybe there's a mentor figure who has a dark past related to the talent as well.
There's no way to know without reading the story. But it's likely that the kid who is thought to have no talent is a main character. There might also be a mentor figure who helps the kid find their potential, or there could be antagonists like bullies who make the kid feel worse about their perceived lack of talent.
There could be a brave adventurer as the main character.
Since we don't have details about this 'the guilt scary story', it could have a variety of main characters. It might be a character who has been involved in a business fraud and now lives in constant fear of being caught. In this case, the main character would be him or her. There could also be a character who represents the conscience of the guilty one, like an inner voice that nags at them constantly. And perhaps there are other characters around them, like colleagues or family members who start to notice the changes in their behavior because of the guilt but don't know the real reason behind it.
Often, the main character is the one being watched. They are usually an ordinary person going about their normal life until they start to notice signs of being watched.
Often, there is a hapless traveler who stumbles upon the area where the scarecrow is. This traveler is usually the main character who experiences the horror of the scarecrow.
Since I don't know the exact 'the fiddler scary story', the main character is likely the fiddler himself. There may also be people who hear his music, like villagers or townspeople.
I don't know as the title 'the message scary story' doesn't give away the characters. They could be ordinary people like a young girl who stumbles upon the message, or a group of friends who are investigating it.
As I don't know the specific 'the well scary story', I can't say for sure. It could be a curious child who is the main character, always getting into trouble around the well.
In 'The Lottery', Tessie Hutchinson stands out as a main character. At first, she is just like the other villagers, casually participating in the lottery. But when she realizes she is the one chosen, she protests. Mr. Summers, who is in charge of the lottery process, is also a key figure. His role in carrying out this age - old but cruel tradition shows how some people uphold the status quo without thinking about the morality. And there are other villagers too, whose collective actions and acceptance of the lottery are quite telling about the society in the story.
It's difficult to say for sure without more information. But it could be a group of friends exploring an old barn. One of them discovers the sickle. Among the characters could be the brave one who first touches the sickle, the skeptic who doesn't believe there's anything wrong with it at first, and a local who warns them about the legends surrounding the sickle.