There might also be a side character who is aware of the lies in the relationship. This character could be a friend or a family member who tries to intervene or give advice. For example, a best friend who sees the main character getting hurt by the lies in the relationship.
I'm not sure specifically as it depends on the particular fanfiction. But it could be a couple, like a male and a female lead who are in a complex relationship where love and lies are intertwined.
I'm not sure specifically as I haven't read the novel. But generally, the main characters would likely be the ones involved in the relationship where the lying is taking place.
The main characters in the 'love the way you lie story' are two lovers. They are constantly in a cycle of fighting and making up. We don't really know their names, but we can see their relationship dynamic which is full of passion and conflict. They seem to be unable to escape from this cycle they are in.
Since I haven't read it, I can't say for sure. But it could be about the classic Star Wars characters like Luke Skywalker or Darth Vader. Maybe it focuses on new characters who are trying to understand why peace seems so elusive in their galaxy.
Typically in 'the little lie story', there would be the liar, who could be a child or an adult. There might also be a person close to the liar, such as a parent or a sibling. For example, if it's a story about a child lying to their parents about where they were after school, the child is the main liar and the parents are the ones affected by the lie.
There could be a character who is a master of deception, always creating these beautiful lies. And there might be another character who is very naive and easily believes those lies. Their interactions would drive the story forward.
In the 'lie with me novel', there could be a young woman as one of the main characters. She might be a complex character, perhaps with a troubled past that makes her prone to lying. And then there could be a male character who gets involved with her, either romantically or in some other significant way. Their interactions could be the focus of the story, with other secondary characters adding more depth and context to the plot.
Since I'm not familiar with this specific novel, it's difficult to name the main characters. However, it's likely to have a central character who has the ability to listen for lies. There could also be a supporting character who helps this main character in their journey, perhaps a friend or a mentor. And of course, there would probably be antagonists who are trying to deceive the main character and avoid having their lies exposed.
I'm not sure specifically who the main characters are in 'the good lie story' without more context. But generally, in a story about a good lie, you might expect to find a character who tells the lie, perhaps a protagonist who is trying to protect someone or achieve a noble goal. There could also be a character who is the recipient of the lie, someone who is being shielded from a difficult truth.
I don't know as I haven't read it. It could be a variety of characters like a young hero trying to do the right thing, or an older mentor figure who guides others in their decision to tell good lies.
The main character is Dr. Cal Lightman. He is the key figure in the 'Lie to Me' story. His daughter Gillian Foster is also an important character. And there's Eli Loker, who is part of the team as well.