The concept of Foster's flat character originated from the American novel P Lovecraft. He created some characters with flat appearance, no personality, and lack of depth. These characters were often described as coming from supernatural worlds or alien civilizations and lacked human emotions and consciousness. Forster's concept of flat characters became widespread in P Lovecraft's novels and became a traditional feature of fantasy, science fiction, and horror novels. Later, this concept was also used by others such as JR R Tolkien and George Orwell. The concept of Forster's flat character also reflected people's imagination and thoughts about the supernatural world and alien civilizations.