History YMMV / OsomatsuKun

** Tougou, a OneShotCharacter with a [[BitchInSheepsClothing terrifying two-faced personality]] became this for mid-2010s Japanese fans.

** Tougou, a [[OneEpisodeWonder one-shot character]] with a [[BitchInSheepsClothing terrifying two-faced personality]] became this for mid-2010s Japanese fans.

** Tougou, a one-shot character with a [[BitchInSheepsClothing terrifying two-faced personality]] became this for mid-2010s Japanese fans.

%%* SuspiciouslySimilarSong: One of the background music pieces used in several episodes of the 1966-67 series is a knock-off of [[https://www.youtube.com/watch?v=6_YG9XBX04Y "Sing, Sing, Sing (With a Swing)"]] by Benny Goodman.

** Same can be said for the 1988 series' opening, "Seicho Osomatsu-bushi"; there's a reason why it's pretty much ''the'' theme song for the series as a whole. [[note]] if only due to the 1966 version being lost up til it was found in the [=90s=], and it was even used reused in the 2012 pachinko game. [[/note]]

* SugarWiki/AwesomeMusic: The ending of the 1988 animated adaptation, "Osomatsu-kun Ondo". It's catchy enough that ''even the characters'' (particularly Totoko) often sing it throughout the show.
** Same can be said for the 1988 series' opening, "Seicho Osomatsu-bushi"; there's a reason why it's pretty much ''the'' theme song for the series as a whole. [[note]] if only due to the 1966 version being lost up til it was found in the 90's, and it was even used reused in the 2012 pachinko game. [[/note]]

* SugarWiki/AwesomeMusic: The ending of the 1988 animated adaptation, "Osomatsu-kun Ondo". It's catchy enough that ''even the characters'' (particularly Totoko) often sing it throughout the show

** "Is this [[Anime/{{Doraemon}} Nobita]]?"/"Nobita is the seventh Matsu"-- usually said by people who notice the two series' similar art styles and the strikingly similar main characters. Also counts under HilariousInHindsight, as Akatsuka and the ''Doraemon'' creators worked under the same roof at one point.

** Same can be said for the 1988 series' opening, "Seicho Osomatsu-bushi", Osomatsu-bushi"; there's a reason why it's pretty much ''the'' theme song for the series as a whole. [[note]] if only due to the 1966 version being lost up til it was found in the 90's, and it was even used reused in the 2012 pachinko game. [[/note]]

*** Same can be said for the 1988 series' opening, "Seicho Osomatsu-bushi", Osomatsu-bushi"; there's a reason why it's pretty much ''the'' theme song for the series as a whole. [[note]] if only due to the 1966 version being lost up til it was found in the 90's, and it was even used reused in the 2012 pachinko game. [[/note]]

* AwesomeMusic: The ending of the 1988 animated adaptation, "Osomatsu-kun Ondo". It's catchy enough that ''even the characters'' (particularly Totoko) often sing it throughout the show

* GermansLoveDavidHasselhoff: Totoko's brother, despite an early case of ChuckCunninghamSyndrome, became a popular minor character in the West.

* SuspiciouslySimilarSong: One of the background music pieces used in several episodes of the 1966-67 series is a knock-off of [[https://www.youtube.com/watch?v=6_YG9XBX04Y "Sing, Sing, Sing (With a Swing)"]] by Benny Goodman. You can hear the Osomatsu version [[https://www.youtube.com/watch?v=s8SougrLRVUat the 3:55 mark.]]

* EarWorm:
** The ending of the 1988 animated adaptation, "Osomatsu-kun Ondo". Try to get that song out of your head-- it's catchy enough that you may start humming it or singing the first lines whenever it crosses your mind. It seems to be an InUniverse case as well -- other characters that are not mentioned in the lyrics, like Totoko, also seem fond of singing it when they are walking down the streets.
*** Same can be said for the 1988 series' opening, "Seicho Osomatsu-bushi"; there's a reason why it's pretty much ''the'' theme song for the series as a whole [[note]] if only due to the 1966 version being lost up til it was found in the 90's [[/note]]. It was even reused in the 2012 pachinko game.

** The ending of the 1988 animated adaptation, "Osomatsu-kun Ondo". Try to get that song out of your head-- it's catchy enough that you may start humming it or singing the first lines whenever it crosses your mind.
*** It seems that it's also an [[InUniverse In Universe]] case, since other characters that are not mentioned in the lyrics, like Totoko, also seem fond of singing it when they are walking down the streets.
*** Same can be said for the 1988 series' opening, "Seicho Osomatsu-bushi", there's a reason why it's pretty much ''the'' theme song for the series as a whole [[note]] if only due to the 1966 version being lost up til it was found in the 90's [[/note]] and it was even used in the 2012 pachinko game.

* IdiosyncraticShipNaming: The brothers each have their own platonic duo names, each different from the other:

** There's other duo names, but Japanese ''-Kun'' fans would get mad when they get used. General fans will get mad/offended if those duo names are used for anything other than platonic.
* IncestYayShipping: Although this one will come with full force with the 2015 revival. Osomatsu/Choromatsu has existed even before the sequel aired due to a good chunk of plots involving the brothers being started [[BashBrothers by the two of them]]. Some fans regard it now as 'The Original Ship', even complete with fanworks and doujins.
** The brothers get paired up with each other, but this is the most well known example.

** "Is this [[Manga/{{Doraemon}} Nobita]]?"/"Nobita is the seventh Matsu"-- usually said by people who notice the two series' similar art styles and the strikingly similar main characters. Also counts under HilariousInHindsight, as Akatsuka and the ''Doraemon'' creators worked under the same roof at one point.

* TheProblemWithLicensedGames: ''Osomatsu-kun: Hachamecha Gekijō'' is regarded as one of the most infamous [[UsefulNotes/SegaGenesis Megadrive/Genesis]] games in the Japanese community. A confusing level design, awful controls, being ridiculously short once you figured it out the confusing design and being downgraded from its initial 4MB to 2MB were among some of the biggest problems, not to mention the game being Christmas rushed and overhyping contributed to the infamy of this game.
* SuspiciouslySimilarSong: One of the background music used in several episodes of the 1966-67 series is a knock-off of [[https://www.youtube.com/watch?v=6_YG9XBX04Y "Sing, Sing, Sing (With a Swing)"]] by Benny Goodman. [[https://www.youtube.com/watch?v=s8SougrLRVU You can hear the ''Osomatsu'' version]] at the 3:55 mark.

* TheProblemWithLicensedGames: ''Osomatsu-kun: Hachamecha Gekijō'' is regarded as one of the most infamous [[UsefulNotes/SegaGenesis Megadrive/Genesis]] games in the Japanese community. A confusing level design, awful controls, being ridiculously short once you figured it out the confusing design and being downgraded from it's initial 4MB to 2MB, not to mention christmas rushed and overhyped contributed to the infamy of this game.

* TheProblemWithLicensedGames: ''Osomatsu-kun: Hachamecha Gekijō'' is regarded as one of the most infamous [[UsefulNotes/SegaGenesis Megadrive/Genesis]] games in the Japan community. A confusing level design, awful controls, being ridiculously short once you figured it out the confusing design and being downgraded from it's initial 4MB to 2MB, not to mention christmas rushed and overhyped contributed to the infamy of this game.

* TheProblemWithLicensedGames: ''Osomatsu-kun: Hachamecha Gekijō'' is regarded as one of the most infamous UsefulNotes/SegaMegadrive[=/=]Genesis games in the Japan community. A confusing level design, awful controls, being ridiculously short once you figured it out the confusing design and being downgraded from it's initial 4MB to 2MB, not to mention christmas rushed and overhyped contributed to the infamy of this game.

* TheProblemWithLicensedGames: Osomatsu-kun: Hachamecha Gekijō is regarded as one of the most infamous Megadrive/Genesis games in the Japan community. A confusing level design, awful controls, being ridiculously short once you figured it out the confusing design and being downgraded from it's initial 4MB to 2MB, not to mention christmas rushed and overhyped contributed to the infamy of this game.

*** Same can be said for the 1988 series' opening, "Seicho Osomatsu-bushi", there's a reason why it's pretty much ''the'' theme song for the franchise as a whole [[note]] if only due to the 1966 version being lost up til it was found in the 90's [[/note]] and it was even used in the pachinko game.

** Karamatsu/Todomatsu is referred to as "Zaimoku". [[note]]"Lumber", referring to both of their names being words for trees.[[/note]

** Osomatsu/Choromatsu gets the name "Sokudo".
** Jyushimatsu/Ichimatsu is called "Suuji".
** Karamatsu/Todomatsu is referred to as "Zaimoku".
** There's other duo names, but Japanese -Kun fans would get mad when they get used. General fans will get mad/offended if those duo names are used for anything other then platonic.