Not having read the 'about face novel', it's just speculation. There could be a group of friends in the story, and among them, one is the central character who goes through the 'about face'. The friends could either support or be skeptical of this change, adding depth to the story. Maybe there's also a love interest for the main character, and their relationship is affected by the 'about face' in some way, either strengthening or straining it depending on how the story unfolds.
Since we don't have much information about this 'about face novel', it's hard to determine the main characters. But generally, in a novel with such a concept, there might be a mentor - like figure who helps the main character through their transformation. There could also be an antagonist who represents the old ways or ideas that the main character is trying to move away from. For example, if the 'about face' is about changing a career path, the antagonist could be a boss or a colleague who tries to keep the main character in their old job.
The main character is the man without a face. There could be a female character who is intrigued by him. She might be a curious soul who wants to understand the mystery behind his lack of a face. There could also be an antagonist, perhaps someone who wants to use his unique condition for their own malicious purposes, like in a scientific experiment or something.
Since we don't have much detail about this 'face genius light novel', it might have a group of characters. There could be a mentor figure who helps the 'face genius' character understand and control their ability. And there might also be an antagonist who tries to use the 'face genius' character's power for their own evil purposes.
Since I haven't read it, I can't say for sure who the main characters are.
I don't know as I haven't read it. There could be a hero who is brave and trying to achieve a certain goal. Maybe there's also a villain who stands in the hero's way.
The main character is surely the man without a face. But there could be other important characters as well. There might be a doctor or a scientist who is intrigued by his condition and tries to study him. There could also be a love interest who sees past his lack of a face and falls in love with his inner self. Additionally, there may be some characters from his past who are somehow related to the reason he is without a face, like an old acquaintance who knows a secret about his transformation.
I'm not sure specifically as I haven't read the novel in detail. But likely there is the character whose face is being'stolen' or replicated, and then there must be this stranger who has their face.
The main character is Sal Fisher. There are also other important characters like Larry, who is Sal's friend.
In a lot of 2face gorillaz fanfiction, the main characters also include some side characters that are created specifically for the story. For instance, there could be a manager figure who tries to bring 2face and the Gorillaz together for a big project. Or a mysterious character who is a huge fan of both 2face and Gorillaz and somehow gets involved in their adventures.
There's no way to be certain without more information, but it could be a young child who is scared by a face in the dark. Maybe the child is in their bedroom at night and sees something that they think is a face. Or it could be an adult who is exploring an old, haunted - looking place and becomes the main character through their encounter with the face in the dark.
The main character is obviously the Goblin Slayer. He is a stoic and determined warrior focused on killing goblins. Another important character is the Priestess. She often accompanies the Goblin Slayer on his quests.