Killer Klowns from Outer Space

Killer Klowns from Outer Space is a 1988 American science fiction comedy horror film produced by the Chiodo Brothers, who additionally created the practical effects and makeup, with Stephen directing via a screenplay that he co-wrote with Charles. Featuring an ensemble cast consisting of Grant Cramer, Suzanne Snyder, John Allen Nelson and John Vernon, the film concerns evil extraterrestrials that resemble clowns arriving on Earth and invading a small town in order to capture, kill and harvest the human inhabitants for sustenance.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.