The forgotten king himself would surely be one of the main characters. He could be depicted as a complex figure, with both good and bad qualities.
A historian or an archaeologist could be a main character. They are the ones who are interested in uncovering the story of the long - forgotten king. They might be on a quest to find out more about his life, kingdom, and the reasons for his being forgotten.
There could also be a wizard or a seer in the fanfic. Since the king might have some secrets related to magic, this character could help in deciphering the ancient prophecies or spells associated with the king. Their knowledge and powers could be crucial in revealing the king's true story.
It could be about the king's lost legacy. Maybe he had a great kingdom once, but due to some betrayal or natural disaster, it was forgotten. The fanfic might explore how his story is rediscovered.
It could be about uncovering the hidden history and adventures of a once mighty king who has been lost to time.
Obviously, Rolan is the main character. He is the forgotten king around whom the whole story revolves.
As I haven't read 'the long forgotten dream story', I can't say for sure who the main characters are. But it could be the person who had the long - forgotten dream. There might also be other characters who help or hinder the protagonist in their journey related to the dream, like a friend who encourages them to explore the dream further or an antagonist who tries to stop them from uncovering something important about the dream.
Obviously, Rolan is one of the main characters as he is the forgotten king. There might also be some characters who help him on his journey, like a wise old wizard or a brave knight, but without reading the novel in detail, it's hard to say for sure.
I don't know who the main characters are in 'a long forgotten spell castle story' since no details were given.
It could be two best friends. They've been through a lot together and the forgotten promise between them creates a rift that they need to overcome. For example, they might have promised to always be honest with each other, but one of them broke it unknowingly, leading to misunderstandings.
The two kings, of course, would be the main characters. They could be very different in personality. One might be a young and impulsive king, eager to prove himself in battle, while the other could be an older, more experienced king who is more cautious. There could also be their loyal generals. For example, the young king's general who is full of new and daring strategies, and the older king's general who has seen many wars and provides wise counsel.
Obviously, the main character would be the 18th Targaryen king OC himself. He would be the central figure around which the story revolves. His advisors could also be important characters. Maybe an old, wise maester who has been in the court for years and tries to guide the young king. And of course, his enemies, like a power - hungry lord who wants to usurp the throne.
It could be a jealous relative who wants Naruto out of the picture so they can have more attention or power within the family.