History Trivia / HowToTrainYourDragonTheHiddenWorld

* TheOtherMarty: When the cast was announced, Creator/TJMiller was meant to reprise his role as Tuffnut in the film. Justin Rupple replaces him on account of Miller's [[RoleEndingMisdemeanor controversial behaviour in 2018]].
* ShortRunInPeru: The film is planned to be released over a month earlier in Australia (January 3). It also releases over a month earlier in Norway and The Netherlands (January 11th).

* ShortRunInPeru: The film is planned to be released over a month earlier in Australia (January 3). It also releases over a month earlier in Norway (January 11th).

* TheOtherDarrin: Justin Rupple replaces Creator/TJMiller as Tuffnut.

* ShortRunInPeru: The film is planned to be released over a month earlier in Australia (January 3).

** If you read this comment, you can tell that it was an easy guess where this happens at some point in the movie.

* FanNickname: The white female Night Fury-like dragon was given the nickname "Light Fury" by fans, although it soon turned out that this was what her species is actually called. Some have also taken to calling her "Nubless".

* FanNickname: The white female Night Fury-like dragon was given the nickname "Light Fury" by fans, although it soon turned out that this was what her species is was actually called. Some have also taken to calling her "Nubless".

* FanNickname: The female Night Fury in the theatrical poster has been given the nickname "Light Fury" by fans (and it soon turned out that this was what she was actually called). Some have also taken to calling her "Nubless."

** The Light Fury is not another Night Fury, but a distinct relative of the species. Her ability to disappear through fireballs is caused by the fire heating her scales to become reflective of her surroundings.

* FakeRussian: American F. Murray Abraham gives Grimmel a Russian accent

* WhatCouldHaveBeen: When the film was first in production, WordOfGod revealed that Drago Bludvist would return from the second film and become a more developed character, possibly even performing a HeelFaceTurn. However, Deblois later revealed after the release of the first trailer that Drago's intended role was removed in the script's rewrites.
* WordOfGod: Director Dean Deblois has revealed certain pieces of information about the film and characters.

** Many guessed that Hiccup would have a beard in the third film. The first trailer reveals that he does have one during at least one point in the film, either later on or as a FramingDevice.

* FanNickname: The female Night Fury in the theatrical poster has been given the nickname "Light Fury" by fans (and it soon turned out that this was what she was actually called}. Some have also taken to calling her "Nubless."

* FanNickname: The female Night Fury in the theatrical poster has been given the nickname "Light Fury" by fans. Some have also taken to calling her "Nubless."

** Many thought that Toothless' love interest would look way more cute or distinctively feminine than Toothless, which in regards to the first official poster is exactly what happened.

** In a more negative vein, many had been afraid that when the design of Toothless' love interest would drop, she would look way more cute/blatantly female than Toothless, which in regards to the first official poster is exactly what happened. Though many are also waiting for the trailer to give a better verdict.

** In a more negative vein, many had been afraid that when the design of Toothless' love interest would drop, she would look way more cute/female than Toothless, which in regards to the first official poster is exactly what happened. Though many are also waiting for the trailer to give a better verdict.

** In a more negative vein, many had been afraid that when the design of Toothless' love interest would drop, she would look way more cute/female than Toothless (an increasing criticism of many animated non-human characters today), which in regards to the first official poster is exactly what happened. Though many are also waiting for the trailer to give a better verdict.

** In a more negative vein, many had been afraid that when the design of Toothless' love interest would drop, she would look way more cute/female than Toothless (which is an increasing criticism of many animated non-human characters today), which in regards to the first official poster is exactly what happened. Though many are also waiting for the trailer to give a better verdict.

* IKnewIt: Many artists and fanfiction writers had already depicted a potential love interest for Toothless as pale/albino years ago.

* IKnewIt: Many artists and fanfiction writers had already drawn a potential love interest for Toothless as pale/albino years ago.

* FanNickname: The female Night Fury in the theatrical poster has been given the nickname "Light Fury" by fans. Some have also taken to calling her "Nubless."

* FanNickname: The female Night Fury in the theatrical poster has been given the nickname "Light Fury" by fans.