Who are the likely protagonists in the Game of Thrones prequel novel?

As of now, it's hard to say exactly who the main characters will be. But it could be some of the founders or early members of the major houses in Westeros.

As of now, it's hard to say exactly who the main characters will be. But they will likely be members of noble houses or those with a connection to important events in Westeros' history.

You could have a main character who is a commoner. Maybe a peasant girl who witnesses the fall of a great house and has to navigate the chaos that follows. She could get involved with the various factions vying for power, and through her eyes, we see the events of the prequel unfold. This would give a different perspective compared to the noble - centered stories we often see in the 'Game of Thrones' universe.

The creators of the show might be in it as well. They have a lot of insights to share about the vision behind 'Game of Thrones'. They can talk about how they adapted the books and made certain changes to fit the TV format. Also, they could mention the challenges they faced during the production, like dealing with a large cast and complex special effects. And of course, some of the supporting actors who had very memorable characters, such as Peter Dinklage (Tyrion Lannister), could also be featured. Their performances were crucial to the success of the show and they might have some interesting stories to tell about their experiences on set.

One of the interesting prequel stories could be about the origin of the White Walkers. It might explore how they were first created and what led to their existence in the far North. Another could be the backstory of House Targaryen before they came to Westeros, perhaps their life on Valyria.

We can expect new stories and characters. It might explore the history of Westeros before the events of the original series. Maybe we'll learn more about the origin of the White Walkers or the early days of the great houses.

Another possibility is Cersei and Jaime. Their relationship is already very complex and twisted. In a fanfiction, it could be a different take on their relationship where Jaime is seen more as a king - like protector to Cersei, and she finds herself in his arms in a more tender and loving way than their usual dynamic in the show.

There might be descendants of the main characters from 'Game of Thrones'. For example, the children or grandchildren of Jon Snow, Daenerys Targaryen etc. could be central characters.

Daenerys, Jon Snow, and Cersei are very likely to be main characters as they have been central to the story so far.

Daenerys could be in it. She has a strong personality and is used to being in control. If someone challenges her or her claim to the Iron Throne in the fanfiction, it could lead to a catfight. Also, Margaery. She's clever and manipulative, and a catfight with her could be very interesting as she tries to outwit her opponents using her charm and wits.