Patrick Bateman is a fictional character created by novelist Bret Easton Ellis. He is the villain protagonist and unreliable narrator of Ellis's 1991 novel American Psycho and is played by Christian Bale in the 2000 film adaptation of the same name.

Bret Easton Ellis is an American author and screenwriter. Ellis was one of the literary Brat Pack and is a self-proclaimed satirist whose trademark technique, as a writer, is the expression of extreme acts and opinions in an affectless style. His novels commonly share recurring characters.