History Trivia / CallOfDutyZombies

** Craig Houston, lead writer at Treyarch, wrote all 4 original perk jingles in World at War and sung lyrics for all but Juggernog (there is a cut Juggernog jingle with his lyrics) and also provided vocals for Deadshot Daiquiri in Black Ops.

* DescendedCreator: In a sense. Elena Siegman, who has performed most of the Easter egg songs in ''Zombies'' (e.g., all of the songs barring "Undone" from ''World at War'' and ''Black Ops'') also performs the [[https://youtu.be/4371tHs14ZQ jingle]] for Elemental Pop in ''Cold War''.

** Later averted, actually. ''Kino der Toten'' was the final ''World At War'' Zombies map, but by that time, ''VideoGame/ModernWarfare2'' was very close to release. ''Kino'' was thus put off to become the on-disc content of ''Black Ops''.

** There exist some unused quotes of the mobsters from ''Mob of the Dead'' (sans Weasel) which were supposed to be used in place of the Demonic Announcer.
** A Wonder Weapon cut from ''Mob'' was ''Richtofen's head'', which would be partially zombified and speak as it was used by the player. This got far enough into development that it was fully rendered and Nolan North also recorded lines for it, but it was removed, perhaps due to it being such an eclectic addition to the darkest, most serious ''Zombies'' map to date.
** ''Mob of the Dead'' was originally designed to be a scale model of the ''entire'' Alcatraz Island. However, technological and time constraints nixed it. ''Blood of the Dead'' later incorporated several of the cut concepts from ''Mob''.
** In ''Mob'', Sal believes that Brutus is a reincarnation of Stanley Ferguson, the night guard killed in the opening cinematic. While ''Blood of the Dead'' would later confirm that Stanley and Brutus are separate individuals, cut audio files have Brutus stating he had a wife and son and directly references lines from the cinematic, suggesting that originally Brutus ''was'' Stanley.

** ''Mob of the Dead'' was initially first in line to be included in ''Zombies Chronicles'', however Jason Blundell felt that it clashed with the pack's theme of revolving around the adventures of the original four characters and it was left out. However, Blundell has stated that ''Mob'' still has a purpose, which, along with the final issue of the ''Zombies'' comic book, implied that it would be remastered in Treyarch's next game instead. Sure enough, the trailers for ''Call of Duty: Black Ops 4'' would confirm that ''Mob'' would be remade as ''[[https://www.youtube.com/watch?v=zCot9TDoA-M Blood of the Dead]]'', though with the Primis crew instead of the Mobsters.

** Quotes from both Monty and the Shadowman were unearthed in the files of ''Revelations'' indicating one or the other would've become the Demonic Announcer.

** After the conclusion of the main story arc, in 2017, Treyarch gave us the complete [[https://www.callofduty.com/zombieschronicles timeline]] of the series, blowing pretty much everything away. Most of the synopsis fans had put together (seen on the Synopsis page here) was for the most part accurate, with some key details being clarified. Most notably, the Maxis endgame of the Easter eggs of ''[=TranZit=]'', ''Die Rise'', and ''Buried'' was confirmed by the timeline as canon.

** In ''World at War'', there is an [[https://youtu.be/pvHE5IVRSQ0 alternate Dog Round Start stinger]] that incorporates [[HowlingToTheNight wolf howls]]. It was cut from the Xbox 360 and PC versions, but was accidentally left in the [=PS3=] version.

* FakeNationality: Apart from Dempsey (who is voiced by the equally American Creator/SteveBlum), Victis, and most of the {{Celebrity Voice Actor}}s mentioned above in AllStarCast, most of the non-American characters have American voice actors. Creator/NolanNorth voicing the German Richtofen, Creator/FredTatasciore as the Russian Nikolai, and German Dr. Maxis, Creator/TomKane being the Japanese Takeo (with [[SurprisinglyGoodForeignLanguage Surprisingly Good Japanese]] here and there, mind you), and Creator/JulieNathanson as the German Samantha Maxis.

** Creator/SarahMichelleGellar plays a character in "Call of the Dead". Now her looks, personality, and fighting style... where have I seen that before? [[Series/BuffyTheVampireSlayer Oh, right]].

* ActorExistenceLimbo: Many fans have observed that a straight remaster of ''Mob of the Dead'' may now be much more difficult due to the passing of Creator/RayLiotta in 2022. The same goes for the prospects of a reapparance from Takeo, as his actor Creator/TomKane retired after a stroke destroyed his voice in 2020.

** ''Mob of the Dead'' was originally designed to be a scale model of the ''entire'' Alcatraz Island. However, technological and time constraints nixed it. ''Blood of the Dead'' later incorporated much of the cut concepts from ''Mob''.

** ''Mob of the Dead'' was initially first in line to be included in ''Zombies Chronicles'', however Jason Blundell felt that it clashed with the pack's theme of revolving around the adventures of the original four characters and it was left out. However, Blundell has stated that ''Mob'' still has a purpose, which, along with the final issue of the ''Zombies'' comic book, implied that it would be remastered in Treyarch's next game instead. Sure enough, the trailers for ''Call of Duty: Black Ops 4'' show that ''Mob'' will be remade as ''[[https://www.youtube.com/watch?v=zCot9TDoA-M Blood of the Dead]]'', though with the Primis crew instead of the Mobsters.

* PostScriptSeason: The maps set in the Aether StoryArc following ''Revelations'', despite some initial doubt caused by ''Blood of the Dead'', are ultimately this. The Aether maps are mostly a checklist of maps that weren't remastered for ''Zombies Chronicles'', and the storyline itself is more of a alternate ending that a fan could easily ignore and accept ''Revelations'' as the true ending. [[spoiler:The story is of Ultimis and Primis inadvertently breaking the cycle of the series, and ultimately [[KillEmAll destroying the entire universe]] to prevent it from ever happening again, via a series of treasure hunts.]] Much of ''Black Ops IV'' also dedicates itself to filling in gaps in the story not filled by the timeline and developing backstory for obscure characters and groups such as Peter [=McCain=], Broken Arrow, the Ascension group and much more from the [[DoomedByCanon already doomed Ultimis timeline]].

* PostScriptSeason: The maps set in the Aether StoryArc following ''Revelations'', despite some initial doubt caused by ''Blood of the Dead'', are ultimately this. The Aether maps are mostly a checklist of maps that weren't remastered for ''Zombies Chronicles'', and the storyline itself is more of a alternate ending that a fan could easily ignore and accept ''Revelations'' as the true ending. [[spoiler:The story is of Ultimis and Primis inadvertently breaking the cycle of the series, and ultimately [[KillEmAll destroying the entire universe]] to prevent it from ever happening again, via a series of treasure hunts.]] Much of ''Black Ops IV'' also dedicates itself to filling in gaps in the story not filled by the timeline and developing backstory for obscure characters and groups such as Peter [=McCain=], Broken Arrow, the Ascension group and much more fro the [[DoomedByCanon already doomed Ultimis timeline]].

* PostScriptSeason: The maps set in the Aether StoryArc following ''Revelations'', despite some initial doubt caused by ''Blood of the Dead'', are ultimately this. The Aether maps are mostly a checklist of maps that weren't remastered for ''Zombies Chronicles'', and the storyline itself is more of a alternate ending that a fan could easily ignore and accept ''Revelations'' as the true ending. [[spoiler:The story is of Ultimis and Primis inadvertently breaking the cycle of the series, and ultimately [[KillEmAll destroying the entire universe]] to prevent it from ever happening again, via a series of treasure hunts.]] Much of ''Black Ops IV'' also dedicates itself to filling in gaps in the story not filled by the timeline and developing backstory for obscure characters and groups such as Peter [=McCain=], Broken Arrow, and the Ascension group.

* RealLifeWritesThePlot:
** One of the reasons ''Dead of the Night'', a prequel to the on-disc ''Chaos'' maps of ''Black Ops IV'', was released after the other two, was due to Treyarch having to accommodate its' celebrity cast's busy schedules.
** Monty does not speak in ''Black Ops IV'' and has very fleeting physical appearances since leaks suggested that Malcolm [=McDowell=] was unable to find time in his own schedule to come in to reprise his role.
*** [=McDowell=] has since said that he was never approached again for the role ([[https://www.cameo.com/recipient/620c8813bfbecdffb0ffb826?%24web_only=true&_branch_match_id=830602286465749626&utm_source=copyLink&utm_campaign=video_share&utm_medium=ios_app&_branch_referrer=H4sIAAAAAAAAA8soKSkottLXL9NLTsxNzddLzs%2FVT9X3Sc9Iiky38CnITwIAlrliUiEAAAA%3D Admitting that he was surprised by this]])).