Horror movies are films that strive to elicit fear, anxiety, terror or horror audience. In the horror movie plots, evil forces, events, or characters, sometimes of supernatural origin, intrude into the everyday world. Horror movies in general is also a central villain. Early horror films often drew inspiration from characters and stories from classic literature, such as Dracula, Frankenstein, The Mummy, The Wolf Man, Phantom of the Opera and Dr. Jekyll and Mr. Hyde. Later horror films, on the contrary, often the inspiration from the uncertainties of life after the Second World War, and the three different but related sub-genres: the horror of personality film, the horror of Armageddon film, and the horror-of-the-demonic film. The last sub-genre can be seen as a modernized transition of the earliest horror films, to expand its emphasis on supernatural agents, the horrors of the world.
Horror films have been criticized for its graphic violence and dismissed as a low-budget B-movies and exploitation films. Nevertheless, all major studios and many respected directors, including Alfred Hitchcock, Roman Polanski, Stanley Kubrick and Francis Ford Coppola, have forays into the genre. The famous Hindi film director and producer Ram Gopal Varma has experimented with several horror films, including Raat (The Night) (1992), Darna Mana Hai (Being Afraid is not allowed) (2003) and Darna Zaroori Hai (Being Afraid is necessary) (2006). Serious critics have analyzed horror films through the prism of genetic theory and the auteur theory of film. Some horror films include elements of other genres, such as Science Fiction, Fantasy, mockumentary, black comedy and thriller. Many horror films are in the public sector (such as The Little Shop of Horrors, Night of the Living Dead, The Terror, Suspiria, embryos)