"The prime motivator is a demon named W(h)at."

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Laughing Ectoplasm is highly volatile Ectoplasm expelled by the Squid Ghost. [1]


Egon Spengler collected some samples of the unique Ectoplasm and ran experiments on it with his analyzer. However, Slimer disrupted the experiment and caused an explosion. The Ghostbusters were later doused several times in the slime by the Squid Ghost. Eventually, the slime started laughing and levitated them and Ecto-1 up into the sky. Once the guys threw out their uniforms, the effects of the slime wore off. Professor Dweeb and Elizabeth were also saturated in the stuff and were last seen being flown off into the city.


The Real Ghostbusters


  1. Egon Spengler (2009). The Real Ghostbusters - "Not Now, Slimer!" (1991) (DVD ts. 03:21-03:27). Time Life Entertainment. Egon says: "I was testing some highly volatile samples of Ectoplasm when Slimer barged in and distracted me."


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