In the 'stalker short story', the central characters are surely the stalker and the victim. The stalker is the one with the abnormal behavior, driven by some kind of fixation. The victim is the one whose life is being invaded. There could be other characters such as a detective if the story takes a more mystery - solving turn, or neighbors who might notice something amiss and play a role in either helping or misinterpreting the situation.
Maybe there's a victim who is being stalked, and of course, the stalker. There could also be friends or family of the victim who play important roles.
Perhaps there are multiple main characters. There could be a group of friends in a survival game, and one of them secretly becomes a stalker. So the friends are the main characters, and the one who turns into a stalker is also a crucial part of the story as they drive the conflict.
I'm not sure as the details of the 'stalker animated story' are not given. But typically, there would be the stalker as a main character. There might also be the person or people being stalked. For example, if it's a story in a school setting, the stalker could be a jealous student and the ones being stalked could be popular students.
I don't know for sure since I don't have the details of this particular 'stalker game novel'. But it could have a stalker as a main character, and maybe the person being stalked.
Since I don't know the specific 'night stalker novel', it's impossible to say for sure. But it could be the night stalker themselves as a main character, and perhaps a person who is trying to stop or understand them, like a police officer or a curious neighbor.
The main character is Kolchak, of course. He's the central figure driving the investigations into the supernatural events. There are also often other supporting characters like his editors or police contacts who sometimes help or hinder his quests.
Perhaps it's a neighbor who has some sort of mental illness. They might have developed an obsession with the main character for no clear reason. They see the person through the window and start to stalk them, seeing them as an object of their strange fixation. Another possibility is that it's a criminal who has randomly chosen the house to target. They might be casing the place for a robbery, but their presence in the window makes them seem more like a stalker.
The main character is surely Kolchak. He could be a lone wolf type of character, out at night exploring and trying to uncover the truth. There may also be other characters who are either victims of the strange events or those who try to stop Kolchak from getting too deep into the mysteries, like some sort of authority figures who don't believe in the supernatural.
The 'stalker short story' might revolve around the mystery of a stalker's identity. It could tell the tale of how a victim starts to notice strange things happening around them, like being followed, receiving anonymous messages, or finding things out of place. The story may then unfold to show the victim's attempts to figure out who the stalker is and what their motives are.
Given the title 'Into the Dark: The Night Stalker Story', one can assume that the main character is the Night Stalker. However, without further details about the story, we don't know much about this character. He could be a hero, a villain, or something in between. He might have special abilities or just be an ordinary person with a particular mission or obsession related to the dark. Maybe he's a detective who has to work at night to solve a series of crimes and that's why he's called the Night Stalker, or he could be a more sinister figure who prowls the night for less noble reasons.