The Invisible Maniac (also known as The Invisible Sex Maniac) is a 1990 American comedy horror film written and directed by Adam Rifkin (under the pseudonym "Rif Coogan") and starring Noel Peters and Shannon Wilsey.

Plot

A psychiatrist informs the mother (Marilyn Adams) of young Dornwinkle (Kris Russell) that he is a genius, but has the potential for madness and that with proper nurturing, he will be fine. The mother catches her son peeping at a neighbor (Tracy Walker) undressing. She berates him as a sexual deviant and that women are evil, traumatizing young Dornwinkle.