History Main / OneLetterName

* J Allard, the former VP of Microsoft's Xbox division during the early UsefulNotes/Xbox360 era, although he was born as "James Allard".

* Y ([[SpellMyNameWithAnS or I, or Yi]]) is the second most common family name in Korea, shared by about 20% of the population. Pronounced "ee". In much of the West, however, they take up the more traditional "Lee" (or "Rhee" or "Ri") just to make things less confusing (it matches up better with the Chinese pronunciations for the same character, and it is not incorrect: the traditional spelling is in fact "Ri", a pronunciation still retained in much of the north). So, in a moment of great drama, if you wanted to have an epic SayMyName moment with a person by this surname, you could [[ShoutOut literally shout out]] "''[[Manga/JoJosBizarreAdventure Riiiiiiiiiiiiii!]]''"

* The head of Britain's Secret Intelligence Service (a.k.a. [=MI6=]) is always codenamed "C", in honor of the original head, Mansfield Smith-Cumming. In the same vein, the head of ''MI5'' is called K, after Vernon Kell. If any British intelligence officers are codenamed "M", that apparently has yet to be declassified.

* V from Music/{{BTS}}.

* The ''WesternAnimation/MenInBlack'' animated series also has Alpha, one of the founding members of MIB and K's mentor, before he went rogue. When he first meets J, he introduces himself as agent A. When J later mentions A to K and Zed, Zed points out that there is no agent A.

* Mr. T pities the fools who don't realize he's an example. He legally changed his name from Lawrence Tureaud so people would have to call him Mister.

* UsefulNotes/MalcolmX was born Malcolm Little. He chose the name "X" to represent his unknown African ancestors. His Muslim name, El-Hajj Malik El-Shabazz, does not fit the trope.

** Bond's boss M, based on the RealLife head of [=MI6=], who goes by the codename "C". It's mentioned in ''Film/CasinoRoyale2006'' that M is not just a random letter (whether it references a name -- the novels have the original [[AlliterativeName Miles Messervy]] and Barbara Mawdsley, a prop in ''Film/{{Skyfall}}'' has the name [[http://www.dailymail.co.uk/news/article-2319598/Mystery-surrounding-James-Bond-mentor-Ms-real-revealed-007-fan-discovers-character-played-Judi-Dench-called-Olivia-Mansfield.html Olivia Mansfield]] - is unclear):

---> If you're Q... Does that make him R?

-->'''C''': But then isn't that what 'M' stands for... 'moron'?\\
[squeezes trigger, [[ItWorksBetterWithBullets realizes the gun is unloaded]]]\\

* Exaggerated in ''FanFic/HopeOnADistantMountain''. One chapter ends with an email exchange between two unidentified people, the second of whom has just a full stop (.) for an email ID, whereas almost ever other time the characters' names are used.

* X from the fourth season of ''WebAnimation/BattleForDreamIsland'' (originating from the 2008 short ''X Finds Out His Value''), [[ADogNamedDog who's an]] [[AnthropomorphicTypography x variable]].

A fair number of older novels (from, say, the 19th and early 20th centuries) use this as a form of "discretion shot". (See SpellMyNameWithABlank.) For example, a lot of Sherlock Holmes stories refer to "Mr. B----" as a way to imply that this is a real person and the story really happened in the real world, but that due to the potentially embarrassing nature of the events Watson is too much of a gentleman to reveal Mr. B's true identity.

* In the Diamond/Pearl saga of the ''Anime/{{Pokemon}}'' anime, a villain known as Pokemon Hunter J and a one-shot filler character known as O were introduced. %% N from Black/White goes in the game section. %%
* In ''Manga/PokemonAdventures'', the protagonists of each arc are named after their generation's games. So the protagonists for the XY arc are named... X and Y. Granted, when romanized their names become Ekkusu and Wai, [[AerithAndBob but it still doesn't make their names any less weird.]] Averted with Y in the Viz version, as her actual name is [[DubNameChange Yvonne]] but has 'Y' as her nickname, and in another translation "X" is short for "Xavier".

* UsefulNotes/NewYorkCity's appropriately-named Alphabet City neighborhood in Manhattan's Lower East Side is named for Avenues A, B, C, and D located there. This in turn inspired the name for ''Theatre/AvenueQ''.