This page serves to catalogue less relevant, mildly interesting, somewhat serviceable, or completely useless information on ''Monster''.
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!! [[Manga/{{Monster}} The Manga and Anime]]:

!!!Numbers:
* 402 is the number of Johan's room at the Eisler Memorial Hospital, as well as the number of Eva's hotel room (which also gives the title to Chapter 113).
* 16 Necker Street is the address of the Fortners. 16 is 4^2 (or 2^4).
* 204 is the room number of Edmund Fahren, the "Thursday boy."
* 42 is the number of people poisoned at the Red Rose Mansion.
* 302 is the number of Runge's room at the motel in Ruhenheim.
* 47 is Hartmann's building number, as well as the number of the locker hiding Johan's cassette tape from Kinderheim 511.
* 606 is the room number of Kristof, the "devil's disciple."

!!!Birthdays:
* Kenzo Tenma: January 2, 1958
** This is, incidentally, also Urasawa's birthday (although he was born in 1960)
* Johan and Anna Liebert: May 1975 - [[http://erich-springer.livejournal.com/63759.html arguably,]] 10 March 1975
* Wolfgang Grimmer: 1954
* Julius Reichwein: 1937

!!!Music:
* The opening theme, "Grain" by Kuniaki Haishima, contains a choir repeatedly singing the first line of the third stanza of the Coventry Carol: "Herod the king, in his raging." The carol recounts the events of the biblical Massacre of the Innocents, wherein Herod, the King of Judea, ordered the slaughter of all the male infants in Bethlehem in an attempt to kill the coming Messiah.
* The original anime broadcast used Music/DavidSylvian's "For the Love of Life" and Kuniaki Haishima's "Make It Home" for its ending themes, respectively.
* An abandoned building in Episode 11 sports the graffitied logo of the band Music/EinsturzendeNeubauten. [[StealthPun The band's name translates into "collapsing new building," ''new building'' referring to post-war architecture.]]
* According to Eva and ''Another Monster'', Music/AlGreen's "Let's Stay Together" is one of Tenma's favorite songs. In the anime, an instrumental version is played when Eva dances with Roberto at the bar.
* An instrumental version of "[[Film/TheWizardOfOz Over the Rainbow]]" is played in Episode 55.
* Tenma ([[AuthorAvatar like Urasawa]]) played the guitar in high school.

!!!FairyTale allusions and [[FairyTaleMotifs motifs]]:
* "Literature/BeautyAndTheBeast": [[spoiler:How Bonaparta sees his situation with the twins' mother.]] It could also be applied to the twins themselves.
* BeCarefulWhatYouWishFor: A name, eh? And strength? And a DealWithTheDevil? How about reunion with your other half?
* CityWithNoName: "The Nameless Monster."
* DealWithTheDevil: "Big-eyes and Big-mouth."
* "Literature/HanselAndGretel": Poor, abandoned brother and sister wandering alone...
** "Literature/LittleRedRidingHood": ... And running into a guy called [[WhatDoYouMeanItsNotSymbolic Wolf]].
* KnightInShiningArmor[=/=]PrinceCharming: One of the chapters is titled, "A Prince on a White Horse", and it is also who Nina thinks Tenma is, mistakenly thinking that he was the one sending the anonymous "romantic" emails to her when in reality the sender of the emails is [[spoiler:Johan.]]
** [[LiteraryAllusionTitle Another chapter is titled]] "Literature/BrotherAndSister," which is a European fairy tale in which the sister takes care of the brother, who is turned into an animal.
** Another is titled, "Frogs in a Fairy-Tale Land."
* MagicMirror: Explicitly in the God of Peace sequence, but it is also used as a motif throughout the series.
* OnceUponATime: "The Nameless Monster."
* "Literature/ThePiedPiperOfHamelin": Johan's magnetic and destructive influence on children.
* RuleOfThree: The Three Frogs; Otto, Hans, and Thomas.
* "Literature/SleepingBeauty": Evoked by the Red Rose Mansion, both in the name and the overgrowth of the flora.
* WalkingTheEarth: "The Nameless Monster," reflected in Johan's own itinerant quest.

!!!Tropes
* AdoredByTheNetwork: Was played frequently on Creator/{{Syfy}} and sister channel Chiller.
* ChildrenVoicingChildren: Yūto Uemura was 10, later 11 when he voiced young Johan.
* {{Defictionalization}}: ''The Nameless Monster'' was turned into a real children's book with a holographic cover. However, it is out of print.
* KeepCirculatingTheTapes:
** Thanks to an edited version of the first ED song beyond Viz Media's control, there's a good chance that there will never be an R1 ''Monster'' DVD Volume 2. It also doesn't help matters that Naoki Urasawa's works have never been successful in the United States. While the subbed version was eventually added to Netflix with the ED intact, the dub remains missing from streaming and the only way to legally obtain it is to import the Australian release.
*** And [[https://www.youtube.com/show/monster Youtube]] for no-American viewers.
* PlayingAgainstType:
** Creator/RichardEpcar normally goes for more [[LargeHam hammy]] characters than the subdued role of Lunge. In fact, you may know him for voicing hammy characters such as both Etemon and Myotismon in ''Anime/DigimonAdventure'', as well as Mr. Noisy in ''WesternAnimation/TheMrMenShow'' -- now contrast that with Lunge.
** Creator/PatrickSeitz often plays brutish or sadistic villains. In ''Monster,'' he voices [[MoralSociopathy Wolfgang Grimmer]], a polite FriendToAllChildren.
** Creator/TravisWillingham, who usually plays authoritative heroic roles, plays SmugSnake BastardUnderstudy Christof Sievernich.
* TechnologyMarchesOn: Enforced trope, due to the animated adaption first airing a full ten years after the manga debuted. Tenma uses a pager to be reachable by his hospital, and he has to request the use of a newspaper publisher's archives to gather information about Johann's disappearance a decade earlier. In the same episode, email is treated as the way youngsters chat and set up ''dates'', with Nina later using a phone booth to alert her parents she's going to be out for the night. It should be noted that doctors still use pagers to this very day.

!!!Miscellaneous:
* The word ''Ungeheuer'', found in a wine brand in one of the episodes, means "monster."
* In the anime, the streetlights are mistakenly rendered as blue instead of green. This is because streetlights are that color in Japan.
** Even odder Pedestrian streetlights in Munich use East German symbols instead of West German ones.
* One article in a Bavarian newspaper says something along the lines of: "Kahns Liebesaffären, Promi-Luder" ("Kahn's Affairs, Prominent Hussy," Kahn being a former Bavarian goalkeeper).
* At one point, a few of Dr. Reichwein's files on patients are shown. The names on these files aside from Richard are all German language film personalities, including Creator/WernerHerzog, Creator/NastassjaKinski, Wolfgang Becker, Creator/BrunoGanz, and Creator/WimWenders.

!! [[Film/{{Monster}} The Film]]:

* DyeingForYourArt: Creator/CharlizeTheron put on about thirty pounds, partially shaved and bleached her eyebrows, wore prosthetic dentures and brown eye contacts to cover her blue eyes and had her actual hair thinned and damaged to play serial killer Aileen Wuornos in the film.
* FakeAmerican: South African (though now a naturalized American citizen) Creator/CharlizeTheron as Aileen Wuornos.
* UnderageCasting: Creator/CharlizeTheron was twenty-eight when played Aileen Wuornos, who was in her mid-thirties during the events of the film.

!! [[VideoGame/{{Monster}} The Game]]:

* DevelopmentHell: The game has remained unfinished since the 2000s, and the collapse of its development team at the time means its chances of ever seeing any sort of finished release are incredibly slim. ''Ancient Cline'' doesn't even have the benefit of having a playable build available, making it true {{Vaporware}}.
* DummiedOut: One aspect of the known playable builds being unfinished is that many of the options present in-game had yet to be implemented, such as the Story Mode and some sort of MiniGame that was apparently planned for the final release. Trying to access these options in the game simply does nothing.
* HeAlsoDid: The game's lead designer Sho Kawakami (known online by the moniker "[=ShoK=]") is believed to have worked on the original ''VideoGame/{{Darkstalkers}}'' as a character designer, and created the original design for Jon Talbain. He may also have contributed some concepting work to ''VisualNovel/{{Morenatsu}}'', another kemono-centric doujin project.
* NoExportForYou: Suffice it to say that the game being {{Vaporware}} killed any prospect of it ever getting a release outside of Japan, even though the developers ''were'' apparently interested in spreading news about the game overseas.
* WhatCouldHaveBeen:
** ''Ancient Cline'' itself is one big WhatCouldHaveBeen -- it was going to polish up various aspects of the game, revamp the shift system, and add more characters, but a playable version of it still has yet to be found.
** According to some sources, the game was almost picked up by Creator/ArcSystemWorks at one point. The dwindling development team is presumed to be why the deal never went through.

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