History Trivia / MarioAndSonicAtTheOlympicGames

** E-123 Omega is an interesting case as in ''Vancouver 2010'', he's the late Creator/MaddieBlaustein in one of her last roles. In ''London 2012'', Creator/VicMignogna does the role and in ''Rio 3DS'', his voice clips in Javelin Throw and Javelin Throw Plus are taken from ''VideoGame/SonicHeroes''.

** ''Vancouver 2010'' marked Creator/MaddieBlaustein's final performance as E-123 Omega.
** ''Tokyo 2020'' served at the final game developed by Creator/AlphaDream before their bankruptcy in October 2019.

* SwanSong: ''Vancouver 2010'' marked Creator/MaddieBlaustein's final performance as E-123 Omega.

* ScrewedByTheLawyers: This series skipped over the Pyeongchang 2018 Olympics because Creator/{{Ubisoft}} shotgunned the video game license to that Olympics for a ''VideoGame/{{Steep}}'' DLC pack.

*** It is also the first mainline game to feature Creator/ColleenOShaughnessey as Tails, although his previous voice actor Creator/KateHiggins still provides the voice of Wave in the game.

** Swimsuits for Peach and Daisy were planned for the first game, but were scrapped by Nintendo. They eventually got their swimsuits in the London 2012 game, although swimsuits were also planned for all characters, [[http://www.shacknews.com/article/71640/how-mario- but the idea was rejected by Sega since it would mean having Sonic's shoes removed.]]
** [[VideoGame/SonicLostWorld Zeena]] was originally gonna appear as a playable character in ''Tokyo 2020'', as evidenced in unused announcer voice clips.

** Swimsuits for Peach and Daisy were planned for the first game, but were scrapped by Nintendo. They eventually got their swimsuits in the London 2012 game, although swimsuits were also planned for all characters, [[http://www.shacknews.com/article/71640/how-mario- but the idea was rejected by Sega since it would be mean having Sonic's shoes removed.]]

** Due to Creator/ChikaoOhtsuka's [[ActorExistenceFailure death from ischemic heart failure]] in January 2015, Kotaro Nakamura replaced him as Eggman for ''Rio 2016'', effectively making him the ''de facto'' voice of the character. Interestingly, Ohtsuka's voice clips were still retained for Eggman Nega.

* ImageSource: IntercontinuityCrossover

* FandomNod: Introduced in ''Mario & Sonic at the Sochi 2014 Olympic Winter Games'', an event, Figure Skating Pairs, allows the player to [[{{Shipping}} select a male and female character to be paired with each other]].

** Silver the Hedgehog and Donkey Kong, who are playable characters in the second game onwards, were planned to appear in the first one in the same capacity. Birdo and Jet the Hawk were to appear in the first game as playable characters too, but they ended up in the second game as a VIP audience member and a Festival Mode rival character, respectively.

* DummiedOut: Birdo was originally going to be playable in Beijing 2008, but was cut.

** The first two installments are also the primary place to hear Vector voiced by Creator/DanGreen, replacing Carter Cathcart after he stopped working for [=4Kids=].
** ''Rio 2016'' is the first game in which Creator/MatthewMercer takes over the role of Espio from Creator/TroyBaker, which considering the actors involved [[SpiritualSuccessor was probably fine.]]

** Due to Creator/ChikaoOhtsuka's [[ActorExistenceFailure death from ischemic heart failure]] in January 2015, Kotaro Nakamura replaced him as Eggman for ''Rio 2016'', effectively making him the ''de facto'' voice of the character.

** ''London 2012'' onwards utilizes the new Sonic voice cast introduced in 2010's ''VideoGame/SonicColors'' (with returning voice actor Mike Pollock recording new lines for Dr. Eggman). Furthermore, this is also the first Mario and Sonic game where Kenny James replaces Scott Burns's archived recordings as the voice of Bowser (although he did voice Dry Bowser in ''Vancouver 2010'').

** Due to Creator/ChikaoOhtsuka's death from ischemic heart failure in January 2015, Kotaro Nakamura replaced him as Eggman for ''Rio 2016'', effectively making him the ''de facto'' voice of the character.
** ''Tokyo 2020'' carries over four voice actor changes from ''VideoGame/TeamSonicRacing'': Creator/DaveBMitchell replacing Creator/TravisWillingham as Knuckles, Creator/EricaLindbeck replacing Creator/LauraBailey as Blaze, Creator/BrycePapenbrook replacing Creator/QuintonFlynn as Silver, and Creator/PatrickSeitz as Zavok.

** Silver the Hedgehog and Franchise/DonkeyKong, who are playable characters in the second game onwards, were planned to appear in the first one in the same capacity. Birdo and Jet the Hawk were to appear in the first game as playable characters too, but they ended up in the second game as a VIP audience member and a Festival Mode rival character, respectively.

* FandomNod: Introduced in ''Mario & Sonic at the Sochi 2014 Olympic Winter Games'', an event, Figure Skating Pairs, allows the player to select a male and female character to be paired with each other. [[{{Shipping}} Guess what fandom practice this promotes]].

** ''Tokyo 2020'' carries over two voice actor changes from ''VideoGame/TeamSonicRacing'': Creator/DaveBMitchell replacing Creator/TravisWillingham as Knuckles, Creator/EricaLindbeck replacing Creator/LauraBailey as Blaze, and Creator/BrycePapenbrook replacing Creator/QuintonFlynn as Silver