Louis Wu is an important character in the 'Ring World Novel'. He is joined by other characters like Teela Brown. They each bring different skills and personalities to the story. Teela Brown has some unique traits that play into the events on the Ring World. There are also various alien characters that interact with them, and all of these characters together drive the plot forward as they face the challenges and mysteries of the Ring World.
There's no way to be certain without reading it, but perhaps there's a female lead who is somehow connected to the ring. Maybe she has a special ability that is awakened by the ring, and there could be a male character who helps her on her journey with the ring. There could also be an antagonist who wants to steal the ring for their own malicious purposes.
I'm not sure specifically as there are many novels that could be called 'the ring novel'. But generally, there could be a protagonist who discovers the ring and gets caught up in its mystery. There might also be an antagonist who wants to use the ring's power for their own evil purposes.
Sadako Yamamura is a main character. She is the source of the curse, a figure full of mystery and horror.
As I'm not familiar with the 'the broken ring novel', I can only speculate. There could be a protagonist who is on a quest related to the broken ring. This could be a young person full of curiosity, trying to figure out the story behind the broken ring. There might be an antagonist as well, perhaps someone who wants to keep the secrets of the broken ring hidden. And there could be a supporting character, like an old jeweler who provides some valuable information about the ring's origin and possible ways to fix it.
I'm not entirely sure, but there might be a character who discovers the ring. Maybe a curious explorer or an unlucky person who stumbles upon it.
Since I don't know the exact 'the magic ring novel', I can't say for sure. But usually, there would be a protagonist who discovers the ring.
As of now, there is no official 'Elden Ring' novel, so it's hard to say who the main characters would be. But if it followed the game, Tarnished could be a main character as they are central to the game's story.
Since I don't know the specific 'broken ring novel', I can't say for sure. But it could have a protagonist who is on a quest related to the broken ring, like a young person trying to understand the significance of the broken family heirloom ring.
I don't know as I haven't read the novel. But there would probably be the king as one of the main characters, since it's the king's ring. There might also be a villain who wants the ring.
There is also an old and wise wizard. He guides the hero in his journey regarding the rings, using his knowledge and magic. He has a deep understanding of the power of the rings and the danger they pose. For example, he might know the history of how the rings were created and what their true purpose is. He tries to ensure that the power of the rings is not misused by the wrong hands.