It might be an adult who has carried their fear of the dark from childhood. This adult could be a loner type, and the story could explore how their fear affects their daily life and relationships. For instance, they might avoid going out at night or having to be in dark places with others.
Since I haven't read the actual novel, it's difficult to name specific characters. However, in a story about the fear of the dark, we might expect to see characters with different personalities and backgrounds. For example, a brave character who seems unafraid at first but then discovers a deeper fear, or a timid character who must find strength within themselves to face the darkness. There could also be characters who are experts in something relevant, like a psychologist who tries to understand the root of the fear, or an adventurer who has experienced strange things in the dark.
As I haven't read the 'no time for fear story', it's impossible for me to determine the main characters. It could be ordinary people put in extraordinary circumstances, or it could be some kind of heroic figures. But without reading it, it's just speculation.
As I don't know the specific 'fear games story', it's hard to say who the main characters are. They could be a young and brave protagonist trying to overcome the challenges in the fear - inducing game.
Since I don't know the exact 'fear of darkness story', it could be a child as the main character. Often, children are the ones who experience the fear of darkness more prominently.
I'm not sure about all the main characters. But there's probably a protagonist who has to face the horrors.
It could be that Santa Claus himself is a main character in this 'fear not christmas story'. He might encounter some problem on his Christmas journey, like his sleigh getting damaged or getting lost in a blizzard. But then he is encouraged with the words 'fear not' and manages to complete his mission of delivering presents to all the children.
I don't know who the main characters are in the 'fear game story' since I don't have enough information. They could be ordinary people who are forced to play this fear - inducing game, like a group of friends on a camping trip who stumble upon a strange game in the woods.
Amber is likely to be one of the main characters since she is in the title. And probably other RWBY characters like Ruby, Weiss, Blake, and Yang might also be involved as they are central to the RWBY universe.
Typically, there is a persecutor, often an angry and vengeful person. And there is the victim, who is being targeted by the persecutor.
The most prominent character is the painter. He is tormented by his own psyche. While there are not a large number of distinct, living characters, the memories and emotions that take on a form within his mind are significant. For instance, the memories of his loved ones or his rivals in the art world can be seen as characters in a way. They are part of the complex web of his mental state that he has to navigate through in the game.