It could also be a group of people. For example, a fitness class where each member has their own story related to their body, and together they form the main characters in a story about achieving good bodies through mutual support and motivation.
Maybe it's a normal person, like a middle - aged office worker who decides to transform their body and is the main character in this story of self - improvement. This character might face various challenges, such as lack of time and willpower, but still manages to make positive changes to their body.
In the '3 body problem' related to celestial bodies, the main characters would be the three celestial objects themselves, like three stars or planets. Their masses, positions, and velocities are the key elements that define the problem.
In the 'body brokers real story', the key characters are the body brokers. They are the ones who are at the center of this rather complex business. Alongside them, donors play an important role. Donors, who may be motivated by altruism or sometimes by financial incentives in unethical cases, are the source of the bodies that the body brokers handle. Then there are the recipients in medical or research fields who are the end - users of the body parts. And also, regulatory authorities can be considered as characters as they are supposed to oversee the activities of body brokers and ensure everything is done legally and ethically.
Typically, there is the body snatcher himself. This character is often depicted as a rather shadowy and morally ambiguous figure. There may also be the victims whose bodies are being snatched, although they might not be as fully developed as the snatcher in terms of character. And there could be some characters who discover or suspect the body snatching, like a doctor or a curious investigator.
In the 'Body Brokers True Story', the main characters could include the body brokers. These are the people who make a living by trading in human bodies. They might be shady characters with their own motives and methods. Another set of characters could be the donors or their families. If the donors are alive and selling their body parts for money, they are important characters. And if they are deceased, their families' decisions and how they are influenced come into play. Also, regulatory authorities or law enforcement officers who are trying to keep an eye on this industry could be main characters if they are part of the story.
I'm not sure specifically as I haven't read the novel in detail, but typically in a novel about lies, there could be a detective - like character who is trying to uncover the truth behind the lies.
The main characters in the '3 body problem novel' include Ye Wenjie. She is a key figure as she initiates the connection with the Trisolarans. Wang Miao is also important. As a scientist, he is at the center of the investigation into the Trisolaran threat. And the Trisolaran characters, such as the Trisolaran prince, are central to the story as they represent the alien civilization that is about to interact with Earth. Their different cultures, motives, and capabilities drive the plot forward.
Maybe there are investigators who rely on the data and findings from the body farm. They could be the main characters, constantly using the information to solve complex cases.
The main characters in the 'Jennifer's Body' original story are Jennifer and Needy. Jennifer is the popular girl who, after the fateful event at the bar, turns into a killer. She has this new, menacing side to her because of the demon possession. Needy, on the other hand, is Jennifer's friend. She's more of an introverted and observant character. As the story progresses, Needy realizes the truth about Jennifer and has to deal with the horror that her friend has become. Their relationship forms the core of the story, with other characters like the local boys mainly serving as victims or bystanders in the events that unfold.
As we don't know the details of the story, it's impossible to say for sure who the main characters are. But they could be regular humans, or perhaps some special individuals who have a connection to the Titans.
Obviously, the king is one of the main characters as he is the one who ends up in the parrot's body. And the parrot itself is also a main character in a way, because it's the body that the king now inhabits.