Lila Crane

Lila Loomis is a fictional character created by American author Robert Bloch in his 1959 thriller novel Psycho; she is the sister of Norman Bates's victim Marion Crane. She is revealed as the real protagonist of the novel in the final chapters, after several false protagonists, including her sister, who gets murdered. Lila is portrayed by Vera Miles in the 1960 film version and by Julianne Moore in the 1998 version.

Additionally, Lila appears in Bloch's 1982 sequel novel Psycho II, and the unrelated 1983 sequel film of the same name, in which she serves as an antagonist.