History Trivia / TenaciousDInThePickOfDestiny

* SeperatedAtBirthCasting: Creator/TroyGentile who played Jable as a child looks and emotes very similar to Creator/JackBlack. He also played a child ''Film/NachoLibre'' the same year.

* Retcon: In this movie, Lee meets the band whilst working as a delivery driver, before they play any gigs, and becomes a genuine friend and their roadie. In the original series, he is a fan who talks to them at a show and whose obsession with them freaks them out, hence writing the song "Lee". The actor and characterisation are the same in both film and show though.

* TheDanza: Despite the fictional nature of the story, Kyle Gass goes by his first and last real names, with Jack Black going by "JB" or "Jables" throughout (even having been addressed by his real name in the original series).

* CaliforniaDoubling: The Rock & Roll History Museum is The House of the Book performance hall and library building at the American Jewish University, Brandeis-Bardin Campus in Simi Valley, California.

* BoxOfficeBomb: Budget: $20 million. Box office $13.9 million. Once it hit Home Video, it became a hit.

* OneBookAuthor: Creator/JackBlack and Kyle Gass's only screenwriting credits, and Liam Lynch's only feature directorial effort. While proud of the film, Black was so distraught by it's failure that he vowed never to write a screenplay again.

* OneBookAuthor: Creator/JackBlack and Kyle Gass's only screenwriting credits, and Liam Lynch's only feature directorial effort. Black was so distraught by the film's failure that he vowed never to write a screenplay again.

* MeanCharacterNiceActor: Who plays [[{{Satan}} the Devil]]? Music/DaveGrohl, famously nicknamed "the nicest man in rock n' roll".

* OneBookAuthor: When the film flopped, Creator/JackBlack vowed that he would never again attempt to write a screenplay.

* HeyItsThatGuy:
** [[Film/TropicThunder Jeff Portnoy]] escapes the tyrannical rule of his dad [[Film/TheRockyHorrorPictureShow Eddie]] by being inspired by [[Music/RonnieJamesDio the greatest voice in heavy metal history]], starts a band with... [[JustForFun/YouKnowThatGuy What's His Face]], receives cryptic advice from [[Film/MeetTheParents Gaylord Focker]], dreams of performing in front of [[Film/{{Enchanted}} Giselle]], is nearly killed by [[Film/TheShawshankRedemption Andy Dufresne]] & has a battle of the bands with The Devil... who looks a lot like [[Music/FooFighters That One]] [[{{Music/Nirvana}} Drummer]].
** [[Series/HowIMetYourMother Marshal Erikssen]] shows up in a deleted scene, mocking Kage savagely.
** Disney/WreckItRalph plays Sasquatch in JB's MushroomSamba.
** [[{{Creator/AmyPoehler}} Leslie]] [[{{Series/ParksAndRecreation}} Knope]] appear briefly as a waitress in that truck stop.

** [[Film/TropicThunder Jeff Portnoy]] escapes the tyrannical rule of his dad [[Film/TheRockyHorrorPictureShow Eddie]] by being inspired by [[Music/RonnieJamesDio the greatest voice in heavy metal history]], starts a band with... [[JustForFun/YouKnowThatGuy What's His Face]], receives cryptic advice from [[Film/MeetTheParents Gaylord Focker]], dreams of performing in front of [[Film/{{Enchanted}} Giselle]], is nearly killed by [[Film/TheShawshankRedemption Andy Dufresne]] & has a battle of the bands with The Devil... who looks a lot like [[Music/FooFighters That One]] [[{{Nirvana}} Drummer]].

* PopularityRedo: The film recycles many gags from the lesser-known HBO series the film derives from.