Since we don't have more details, Kelly could be any woman. She might be a fictional character created for a story about birth in a city, or it could be a real person's experience that is being shared.
Kelly is the main character in this story. She is likely a person who has a weight problem, specifically weighing around 600 lbs, and the story probably focuses on her life experiences related to her weight.
Yes. Bates Motel is based on the novel 'Psycho'. The novel provides the foundation for the story of the motel and its owner, Norman Bates. In both the novel and the TV series, we see the complex and often disturbing relationship between Norman and his mother. The TV adaptation takes the basic concepts from the novel and brings them to life in a more visual and extended way, exploring different aspects of the characters and their motives in greater detail.
Definitely. Norman Bates is purely fictional. He was created by authors and has appeared in books, movies, and other forms of entertainment to thrill and scare audiences.