Ghostbusters Trivia Questions

The iconic theme song was performed by Ray Parker Jr., not Huey Lewis. Lewis later sued Parker, claiming the song plagiarized his hit 'I Want a New Drug.'

The proton packs were props; the beams were added later via rotoscoping and animation. No real particle beams were used, for obvious safety and physics reasons.

John Belushi was the first choice for Venkman, but he declined. Murray, a fellow 'SNL' alum, was then cast, and his improvisational style defined the character.

Aykroyd sketched the famous logo on a napkin. The simple red circle and slash over a cartoon ghost was his own idea, later refined by the production designer.

Weaver insisted on doing the levitation stunt herself, which involved being suspended by a harness and wire rig for hours, making the performance genuinely uncomfortable.

The character was always intended to be the Stay Puft Marshmallow Man, based on a real snack. The Pillsbury Doughboy was never an option due to trademark issues.

The ghostly librarian was portrayed by actress Ruth Oliver, not a man. The effect was achieved with a simple but effective matte painting and lighting trick.

Dan Aykroyd's early draft was indeed set in the far-off future of 2020, complete with flying cars and a much larger ghost-catching operation.