In the 'devil in the sink kids story', the main characters would surely be the kids. They are the ones who discover the mystery or the danger in the sink. They could be different ages, perhaps one is a brave older child and the others are younger and more easily scared. And then there's the 'devil' character which is central to the story. It could be a malevolent spirit or a creature with devil - like features. There might also be a character like an old wise person in the neighborhood who has heard of such things before and helps the kids figure out what to do about the 'devil in the sink'.
I'm not entirely sure as it's not a very common well - known story. It could be about some sort of spooky or strange occurrence involving a devil - like entity in the sink that kids encounter. Maybe it's a made - up story to scare kids or teach them about something.
Since we don't really know the full story, we can assume that the main characters are the kids. There may also be some other minor characters like their parents or neighbors who might be involved in the story in some way, like not believing the kids about the devil in the drain.
There might be a human who gets involved with the devil. This person could be a curious soul who is lured by the devil's promises. For instance, a poor farmer who is desperate for a good harvest and makes a deal with the devil.
The main characters are usually the Lab Rats themselves. They are the ones with superhuman abilities and unique personalities. Each of them brings their own skills to the table whether it's super strength, super speed, or intelligence.
I'm not sure as I haven't read the novel specifically. But usually, in a novel about a marriage in trouble, the main characters would be the husband and the wife.
Perhaps the main characters are siblings. A brother and a sister who have to face some challenges together. The brother could be the more adventurous one, always getting into little troubles, while the sister is the smart one who figures out solutions. There might also be their pet dog that tags along in their adventures and plays an important role in the story.
In the 'devil in the dark story', if it's a horror - themed one, the main character might be a young journalist looking for a big story. They hear rumors about the devil in the dark and decide to investigate. There could also be a group of superstitious villagers who play important roles. They might be the ones who first noticed the strange happenings related to the devil in the dark and either help or hinder the journalist's investigation.
There might be a protagonist who is tempted by the devil. This character could be someone with a strong will initially, but the devil tries to break that. There could also be a side character, like a wise old man or a priest, who provides some sort of guidance or counterpoint to the devil's influence.
I'm not entirely sure about all the main characters specifically, but there are usually characters who are involved in the summoning and dealing with digital devils.
The main characters in the 'Dance with the Devil Story' can be diverse. There is usually the naive or desperate individual who makes the ill - fated choice to interact with the devil. This person might be someone who has been wronged by society or is simply greedy for more. Then there is the devil. The devil can be portrayed in different ways, sometimes as a suave tempter, other times as a terrifying and grotesque being. There could also be side characters like the protagonist's friends or family who are affected by the protagonist's actions.