Trivia: Gert Fröbe and Desmond Llewelyn are in the film both of whom were in "Goldfinger" (1964). The first Bond novels were written by Ian Fleming who also wrote "Chitty Chitty Bang Bang."
Trivia: The voice of Scrappy was done by Scott Innes, who voices Scooby-Doo and others in the recent cartoons (since 1998).
Trivia: In his biography, Gene Kelly has admitted that he knew Xanadu was a bad film, but found Olivia Newton-John a joy to work with and she helped him survive it.
Trivia: The portable devo guns Mario & Luigi use to turn Koopa into slime are actually Super Scopes, (used in the Super Nintendo Game "Super Scope"). They're kind of the Super Nintendo version of the Nintendo Zapper from "Duck Hunt" for NES (Nintendo Entertainment System").
Trivia: Pinhead is not named in this movie, and is simply credited as lead Cenobite.
Trivia: The man playing Joel Glicker's father is Barry Sonnenfeld, the film's director.
Trivia: The scenes from the amusment park in the movie were filmed at Playland, in Rye, NY.
Trivia: Christopher Walken doesn't speak a single word in the entire course of the movie.
Trivia: David Lynch was disgusted with the elongated cut of the film which includes paintings of the 'robot revolt' back story to the original film, a sub-plot he deliberately omitted. He demanded his name be removed from the credits of the film and replaced with the Director's Guild nom de plume, 'Alan Smithee'. This was done so sloppily, by superimposing Smithee's name over Lynch's, that the credit reads "A ALAN SMITHEE FILM".
Trivia: When Michael Chiklis' wife, Michelle (who suffers from claustrophobia), first saw him in his The Thing outfit, she suffered a panic attack and had to be escorted off the set.
Trivia: Jim Carrey was the first choice for the role of the Genie, but had to decline due to his recent involvement in a civil lawsuit.
Trivia: During the big fight between Batman and Superman, a broken window has the same shape as Ontario, in Canada. Superman creator Joel Shuster was born in Toronto. The broken window is only ever shown from Superman's angle, not Batman's. This was confirmed by Zack Snyder as being a deliberate, if obscure, easter egg.
Trivia: 1 tells 9 that he led the others to their current hideout, which he refers to as "sanctuary". The building happens to be Notre Dame church, famously referred to "sanctuary" in "The Hunchback of Notre Dame."
Trivia: When they go into the police station, just before Robert Patrick walks out Sharon Stone walks out in her Basic Instinct outfit. Another nod to the "movie within a movie" concept.
Trivia: Kevin Spacey had to record the scene where Prot eats a whole banana (skin and all) 27 times.