- HD 1080
- Runtime: 85m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Greydon Clark
- Stars: Joe Don Baker, Stella Stevens, George Kennedy, Julia Duffy, Scott McGinnis
- keywords: spoof, slasher spoof, traumatic childhood
- Production_studio: Jensen Farley Pictures
- Slogan: At last! A motion picture made by, for, and about people.... just like you!
- The Wacko is featured in the top rankings of 1982
- #100 in Top Comedy Movies of 1982
- #63 in Top Horror Movies of 1982
Thirteen years after the "Lawnmower Killer" killed her sister, high school student Mary Graves and obsessed detective Dick Harbinger are on the lookout for the killer to reappear during the annual Halloween Pumpkin Prom.
