The end credits states, "A VERY SPECIAL THANK YOU TO: The New York City Police Department, for their unstinting cooperation and invaluable help throughout every part of this production" In The Making of Terror Firmer, it shows the police clashing with the production on several instances (one of which involved the police revoking the crew's filming permit).
Based on Lloyd Kaufman's book All I Need To Know About Filmmaking I Learned From The Toxic Avenger. Also, many scenes and characters are references to real events and people on Troma sets.
What are the differences between the R-Rated cut and the Unrated version of the movie?
A
As with any Troma movie, the differences between the R-rated and the Unrated version are HUGE. Nearly all scenes containing violence or sex have been cut or altered for the R-rated release. Just in case you want to know what's missing in your R-rated release check this detailed comparison with pictures out that can be found here.