History Main / AscendedFanNickname

* ''VideoGame/{{Deltarune}}'': A small example, the game officially use the pet name "Azzy" to refer to Asriel, until now, it was solely used in fan-fictions.

** The Withered Animatronics in ''VideoGame/FiveNightsAtFreddys2'' were simply nicknamed as such until Creator/ScottCawthon made them official.

** The protagonist was never called by any name in the original game series, so the fans and journalists settled for "Doomguy" (sometimes spelled "Doom Guy". He has been given many names in various ''Doom'' media but in 2020, Creator/JohnRomero confirmed that he was officially called Doomguy, and the name was directly used in ''VideoGame/DoomEternal'' to refer to the character before he became the Slayer.

* In ''VideoGame/{{Doom}}'', the demon enemy had long been called the Pinkie in order to distinguish it from the game's other monsters, as the name "demon" made it [[OverlyNarrowSuperlative difficult to distinguish]] from all the other demons in the game. In [[VideoGame/Doom2016 the 2016 game]], Pinkie was officially adopted as the in-game name of this specific creature.

* ''VideoGame/{{Hatred}}'': Destructive Creations have taken to calling the protagonist "Not Important" after it became his FanNickname.

* Catarina Claes, the {{Idiot Hero}}ine of ''LightNovel/MyNextLifeAsAVillainessAllRoutesLeadToDoom'', is understandably referred by fans to as UsefulNotes/{{Baka}}[==]rina. J-Novel Club, the licensed publisher for the novels in the U.S., would eventually use "Bakarina" as a shorthand reference to the series, especially on their official forums.

* In ''VideoGame/TheBindingOfIsaac'' there is an unlockable character who is simply a dead version of Isaac so was never given a name apart from ???. Fans started referring to them as Blue Baby becquse of blue baby syndrome, a condition which would cause Isaac to look like ???. This name has been referenced by Edmund McMillan and while it is still called ??? in game its file names and steam card now refer to it as Blue Baby.

* One of the final bosses of ''VideoGame/TerrariaCalamity'' grew so powerful it became known as the devourer of gods. Many fans abbreviated it to dog to save time, which later became Doggo through a {{Memetic Mutation}}. While not an official name for the character, a summon dropped by them later had its file name changed to Chibi Doggo

** ''VideoGame/SonicUnleashed'': Sega adopted the FanNickname for Sonic's lycanthrope form.

* One of the final bosses of ''VideoGame/TerrariaCalamity'' grew so powerful it became known as the devourer of gods. Many fans abbreviated it to dog to save time, which later became Doggo through a {{MemeticMutation}}. While not an official name for the character, a summon dropped by them later had its file name changed to Chibi Doggo

* One of the final bosses of ''VideoGame/TerrariaCalamity'' Is canonically known as the Devourer of Gods because of it being known for killing anything in its path and absorbing their power leading fans to call it Dog/Doggo as a joke, the creators of the mod noticed this and recognized it by making the file name of one of its drops Chibi Doggo

* One of the final bosses of ''VideoGame/TerrariaCalamity'' Is canonically known as the Devourer of Gods because of it being known for killing anything in its path and absorbing their power leading fans to call it Dog/Doggo as a joke, the creators of the mod noticed this and recognized it by making the file name of one of its drops ChibiDoggo

* ''[[Machinima/Supermarioglitchy4sSuperMario64Bloopers SMG4]]'': During the [[OriginsEpisode Super Meme Genesis]] arc, the BigBad [[spoiler:after having possessed Axol originally didn't have a name in this form (besides from being known as Zero), but fans took to calling it [=Ax0l=],]] which wound up becoming the official name for the [[spoiler:merged]] entity later on.

* Several unofficial English names used by the Wiki/SuperMarioWiki for unlocalized ''Franchise/SuperMarioBros'' characters and enemies were later used in the ''Super Mario Bros. Encyclopedia'' and certain newer games. This led to a minor controversy from fans who accused the ''Encyclopedia'' of plagiarism, resulting in it becoming a banned source on the wiki.

* ''Franchise/SonicTheHedgehog''

* Anime/SonicX:

** VideoGame/SonicTheHedgehog1: The Title1 “Sonic 1” is used in the 2013 remaster.
** VideoGame/SonicTheHedgehog2: When Hidden Palace Zone was restored in the 2013, [[https://forums.sonicretro.org/index.php?threads/sonic-1-and-2-getting-the-sonic-cd-treatment-by-taxman-and-stealth.31061/page-87#post-772599 Effexor from Sonic Retro]] coined the term "Brass Eggman" for the unnamed boss, in reference to the original Japanese naming scheme ([name] Eggman), which was given a nod of approval in 2021's ''Sonic the Hedgehog Encyclo-speed-ia''.
** VideoGame/Sonic3AndKnuckles: The infamous barrel in Carnival Night Zone Act 2 was humorously nicknamed the "Barrel of Doom" by the fandom. Sega caught on to the nickname when a mug of the barrel displaying the same name was made for the Sega Shop.
** VideoGame/Sonic Unleashed: Sega adopted the FanNickname for Sonic's lycanthrope form.

** "Eeveelution" at first was just a term fans used to describe the [[ExactlyWhatItSaysOnTheTin evolutions of Eevee]], but became official in the guidebook for ''VideoGame/PokemonStadium 2''.

* Several unofficial English names used by the Super Mario Wiki for unlocalized ''Franchise/SuperMarioBros'' characters and enemies were later used in the ''Super Mario Bros. Encyclopedia'' and certain newer games. This led to a minor controversy from fans who accused the ''Encyclopedia'' of plagiarism, resulting in it becoming a banned source on the wiki.