Wacko is a 1982 American comedy horror film produced and directed by Greydon Clark, starring Joe Don Baker and George Kennedy.

Plot

Dick Harbinger is a police officer. Thirteen years ago, on Halloween, a man wearing a pumpkin head and driving a lawnmower murdered several children. Everyone is a suspect. The school janitor, Zeke, is brought in for questioning. The father of the family is also a suspect and is questioned by police. His daughter, Mary, has caught him on multiple occasions trying to peek at her either while in the shower or while she was asleep. Mary's friend Rosie is dating Tony "the Schlong" Schlongini. He, along with many others, was killed by Mr. Pumpkinhead.