The main characters in the 'rise of the skeleton king novel' could include the skeleton king, of course. There might be a group of adventurers who oppose him. Maybe there's a wise old wizard among them who has knowledge of how to defeat the undead. Also, there could be some minions of the skeleton king, like powerful undead generals or liches, who play important roles in his rise to power and in the battles that follow.
In this novel, the skeleton king is surely a central character. Besides him, there could be a female warrior who has sworn to vanquish all forms of evil, including the skeleton king. There might also be a sly thief character who gets involved in the story either to steal some valuable item from the skeleton king or his lair, or who ends up being forced to side with one of the factions in the conflict. Additionally, there could be a priestess who uses her holy powers to try and counter the dark magic of the skeleton king and his minions.
The 'rise of the skeleton king novel' could be centered around the growth and ascension of the skeleton king. It may tell how he overcomes various challenges in a fantasy world. There could be elements like his interactions with other races, the discovery of ancient powers, and his strategies to dominate the land. For example, he might start as a weak undead creature and gradually gain strength through dark magic or by making alliances with other evil forces.
There is likely to be the demon king - to - - be as the main character. And probably some supporting characters like his mentors, rivals, or friends.
I'm not sure specifically without reading it, but there's likely to be the demon king - to - - be as a main character, and perhaps some mentors or rivals.
Arthas is of course the most important. He is the one who becomes the Lich King. Uther, his former mentor, is also important as he represents the light that Arthas turns away from.
The main characters are Ryan and Sarah.
Since the novel focuses on the skeleton key and a mysterious house, the main character is probably a woman who is hired to work at the house. She is brave enough to explore the secrets. There may also be an old family member or former servant associated with the house who has some important information. Their interactions and the main character's determination to unlock the secrets with the key form the core of the story.
The Demon King, of course, is a central character. He is likely to have unique powers and a complex personality. There might also be a hero or a group of heroes who oppose the Demon King, but without reading it in detail, it's hard to name all the main characters precisely.
In 'Rise of the Phoenix Novel', it's possible that there is a group of characters. One could be a creative type, like an artist or a writer, who has lost their inspiration. Another might be a warrior - type character who has been defeated in battle. Together, they support each other on their journey of rising again. And there could be a mysterious figure that appears throughout the story, providing cryptic advice that helps the characters on their path.
Since I'm not familiar with the 'dark rise novel', it's hard to say exactly. However, it's common in such novels to have a main character who has some special ability or connection that makes them crucial in the fight against the rising darkness. There could also be characters who are initially on the fence, not fully committed to either side, but are eventually drawn into the conflict as the story progresses.
In 'rise of the guardians novel', the main characters are quite diverse. Santa Claus, also known as North, is a large and jolly figure. He has his workshop at the North Pole. The Easter Bunny, or Bunnymund, is a feisty character with a strong connection to nature. Jack Frost is a young - looking spirit who controls ice and snow. The Tooth Fairy, with her fairies, is in charge of collecting teeth and keeping the memories associated with them. And Sandman, though he doesn't speak, communicates through his sand creations. These characters must work together as guardians against Pitch Black.