Not having read the novel, it's difficult to say exactly who the main characters are. But it's possible that there is a young and curious character, maybe a child or a young adult, who is initially drawn to the mystery of the 'Heart of the Moon'. There could be an elder in the story, who has knowledge about the moon's secrets and guides the young character. And there may be a group of side characters, friends or foes, who interact with the main character throughout their exploration of the 'Heart of the Moon' concept.
In the 'Heart of the Moon Werewolf Novel', there may be a female werewolf as a main character. Female werewolves are often depicted with their own unique powers and personalities. She could be in a conflict with a male werewolf over the 'heart of the moon'. Maybe she believes that the 'heart of the moon' should be used for different purposes compared to the male werewolf's ideas, and this conflict drives the story forward.
Since I'm not familiar with this novel, it's hard to say exactly. However, it's likely that there is a central character who is experiencing some sort of emotional disconnect, which is symbolized by the moon not understanding their heart. There could be a love interest, perhaps, who is part of the reason for this emotional state. And there may be some wise old character, like an elder in the community or a mentor, who tries to guide the protagonist through their feelings.
I'm not sure specifically without reading the 'the heart novel'. But usually, there's a protagonist who drives the story forward. There might also be a love interest, a mentor figure, and an antagonist who creates conflict.
I'm not sure exactly as I haven't read it. But usually in such novels, there could be a protagonist who drives the story forward. Maybe it's a young person on a journey of some kind.
I'm not sure who the main characters in the Moon Palace Novel are as I haven't read it. But they could be a brave hero and a beautiful heroine.
Not having read the 'killing moon novel', I can only speculate. There might be a protagonist who has a special connection to the moon, either through some sort of power or heritage. There could also be antagonists who are either causing the moon to be 'killing' or are taking advantage of the chaos it creates. And perhaps there are supporting characters like friends or mentors who help the main character on their journey to deal with the situation regarding the killing moon.
Often, there is a lead scientist. This person is highly intelligent and is in charge of most of the research on the moon base. They are the one who makes important decisions regarding scientific experiments.
I don't know the exact main characters in the 'Dark of the Moon Novel' since I haven't read it. But they could be the typical heroes like a brave young man or woman, or an old wise figure who guides the others.
Since we have no details about the 'shadow moon novel', the main characters could be a young protagonist with a special ability related to the shadow moon. Maybe there's also an old wise mentor figure who guides the main character in their journey involving the shadow moon. And there could be an antagonist who wants to use the power of the shadow moon for evil purposes.
I'm not sure as I don't know the specific 'Man on the Moon Novel'. But it could be astronauts, scientists, or even some fictional characters created for the story.