"Malik Blishtar is actually Marik Ishtar?"A character, engaged in "covert ops" of the more comedic kind, is asked for their name. They never prepared one before hand, and don't have time to come up with a Line-of-Sight Name. Without thinking, they begin to blurt out their real name, only to cover it up with some painful pronunciation twisting and a quick stammer. Real Name as an Alias takes the same concept to an even greater degree, where there is no distortion of a name, just plainly using part of their real name, possibly all of it. Compare Unpronounceable Alias. For slightly better pseudonyms, try Character Name Alias, Line-of-Sight Name, and Sdrawkcab Alias. See also Louis Cypher, Hugh Mann, Steven Ulysses Perhero and Mr. Smith. Not a type of Mary Sue.
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Anime and Manga
- In Ranma ½, Ranma (as a girl) is about to introduce himself to his mother for the first time. While saying the first syllable of his name, he sees her grip her sword and changes his name to "Ranko".
- In the Pokémon episode "Showdown in Dark City," Ash Ketchum starts to give his real name as "Ash...Ketchup..." before changing it to "Tom Ato". Following his example, Misty and Brock introduce themselves as "Ann Chovie" and "Caesar Salad", respectively. The reason they had the pseudonyms at all was to avoid being recognized as Pokemon trainers.
- "We're from Cafe Mew Mew in Tokyo — mmph!" "Do you want to give us away?" Needless to say, they keep the name.
- In Detective Conan Conan nearly did this at the very beginning, before he came up with Conan Edogawa, he nearly said "Shinichi." He's lucky that Conan can be rendered in Japanese. Imagine if it was some name with L's everywhere. Not only that, but many times when Conan and Heiji meet up for a case, Heiji (unintentionally or otherwise) slips and calls him "Kudo" in front of the girls, always covering it up with another word that sort of might sound a little bit like it (a homonym.)
- Excel Saga parodies this trope along with everything else in existence - in one episode Excel uses the alias Pseudonym Undercover. On another occasion she actually does use "Sue Donym".
- Gintama: Given Katsura doesn't outright reveal his real identity by mistake, when going undercover, he often takes aliases suspiciously close to his real name, case in point "Space Captain Katsuura", "Katsuo" or "Joey Katsura" ("Joey" sounds close to Joui, his organization). Luckily enough, the authorities are never smart enough to see through them.
- In Princess Jellyfish, Wholesome Crossdresser Kuranosuke has been hanging out with a group of female otaku, only one of which knows he's a guy. After one of them calls him by the nickname "Meat" once too often, he starts to retort, "I have a name, and it's Kurano-" before realizing he's standing right in front of the sign at their boarding house that states "No boys allowed." He quickly changes his sentence and tells them his name is "Kurako," and is shocked that the others actually bought it.
- Usui in Kaichou wa Maid-sama likes to trick
Those Two GuysYukimura with a foreign accent and the name "Usui Janai" - literally "Not Usui." It works.
- In Kurohime, after aging into a teenage girl, the main heroine give the name "Himeko" to one of the person that wanted to kill her, but the guy remembered that name was used for Kurohime while been a child. Quickly, the heroine realized her wrong and say that actually her name was "Himeko-jo", with three kanjis. Of course, it didn't work.
- A few of the villains do this in Sailor Moon. Jadeite uses the name "Jay Daito" in more than one episode when he's in disguise. In the sound dramas, Zoisite goes by "Zoi Saito," and Kunzite is "Kunz Aito."
- In One Piece, Luffy uses this for the tournament in Dressrosa. Due to being in disguise then, Luffy was told precisely by Franky to not let his real name be revealed. Unfortunately immediately after being told so, he almost writes his whole name on the registry sheet before being thankfully stopped by Franky. Having already written down the "Lu" part of his name down and rather use a more clever alias, he just finishes off his registry as "Lucy".
- In The Seven Deadly Sins, Ban enters his and Meliodas' names in the Byzel Fight Festival as Baan and Meliodaz respectively. While the aliases didn't really hide who they were, they were enough of a Paper-Thin Disguise to fool one of their dumber opponents, Hauser.
- FLCL's Haruhara Haruko — her name's revealed by Amarao to be Haruha Raharu.
- A number of characters in Sword Art Online do this for their player names:
- Kirigaya Kazutonote is Kirito.
- Andrew Gilbert Mills is Agil.
- Shino Asada goes in game by the name of Sinon.
- Silica and Klein's are puns on their Japanese names which depending on how the words are read as, or used, can reference Siliconnote or a Klein Bottlenote respectively.
- In Batman, a favorite alias of the Joker is "Joe Kerr". Ingenious! As one might expect, this habit was largely confined to the Silver Age, but it still comes up every once in a while as a Mythology Gag.
- Amusingly, one of the main writers on Batman: The Brave and the Bold is Joseph Kuhr.
- Other examples of alias used by the Joker include; Mr. White and Jack Napier, the latter of which may be his real name if the first Batman movie is to believed.
- And in Jack Kirby's Eternals, the Eternal Ikaris sometimes used "Ike Harris". Neil Gaiman made sure to revive this when he did his run on Eternals.
- In Cable & Deadpool, Steve Rogers, the Star-Spangled Man with the Plan, being the ingenious "Master of Disguise" that he is, infiltrated Cable's island Providence as an immigrant with the name Roger Stevens. Not only that, but his idea of hiding his signature blond hair is to wear a Brooklyn Dogers baseball cap.
- During The Silver Age of Comic Books, the Martian Manhunter's secret identity was John Jones. This was to hide his true Martian name of J'onn J'onzz.
- This is how Booster Gold became famous. After saving the President's life, he is asked what his superhero name is by reporters. Instead of using Gold Star like he planned, he started to introduce himself as "Booster" Carter, his nickname from his football days. He tried to correct himself midsentence and that gave the reporters his identity as Booster Gold.
- Ms. Tree: In the "Prisoner in Cell Block Hell" arc, Michael Tree is booked into jail as 'Michelle Friday' to protect from possible reprisals while she is being held. Michelle is the feminised version of her actual given name and Friday is her maiden name.
- In the Death Note AU My Stupid Reality when on the run from L many of Light's aliases are variations on his own name. Amusingly when he has to quickly think up a new one he comes up with... "Kira Asahi."
- Shirou goes under the assumed name Shane Rowe in the Fate/Stay Night fanfic Nails. In fact when Rin mispronounces his alias with her Japanese accent he panics and assumes that she knows who he is.
- Dungeon Keeper Ami: When undercover, Jadeite names himself Jason Dayte.
Films — Animated
- In DuckTales the Movie: Treasure of the Lost Lamp, the nephews introduce the Genie to Uncle Scrooge as "Uh ... Gene! Yeah, Gene!"
Films — Live-Action
- In Ace Ventura: Pet Detective, when he goes to a suspect's dinner party, he starts to give his real name (not out of desperation but more ignorance). His date stops him and gives the name "Tom Ace".
- A variation occurs in the The Nutty Professor (both the 1963 and 1996 versions), wherein another character refers to the titular character as "buddy" while he is under the influence of his transformation drug, prompting him to adopt "Buddy Love" as the name of his alternate personality.
- In Batman: The Movie, Batman calls up the US Navy to find out how the Penguin acquired a submarine. Turns out he just bought it, after giving his name as P.N. Guinn, and only leaving a PO Box number by way of a forwarding address. It was admittedly an obsolete and rather clapped-out boat left over from the war, but even the writers of that incarnation of Batman couldn't let this go without some Lampshade Hanging.
- In A View to a Kill, James Bond at one point poses as a Financial Times reporter named "James Stock."
- In Leap Year, when Anna and Declan have to pretend to be married and are asked about their surname, they both blurt out their own surnames (Brady and O'Callaghan, respectively), before finally settling on O'Bradycallaghan.
- While posing as a substitute teacher, Drillbit Taylor quickly introduces himself as Dr. Illbit.
- The movie Harry and the Hendersons (also titled Bigfoot And The Hendersons internationally), is about Bigfoot moving in with a suburban family named Henderson. When a news reporter attempts to track down Bigfoot, calling it a vicious creature, the father of the family defends it, claiming that it's a gentle giant. When the reporter asks his name, he gets as far as "Hen" before realizing that would be a bad idea. The reporter refers to him as "The mysterious Mr. Hen" through the rest of the movie.
- In the movie of My Favorite Martian, "he's Martian" evolves into "he's my Uncle Martin".
- In Tootsie, Michael Dorsey's female alter ego goes by Dorothy Michaels.
- In The Facts in the Case of Mister Hollow, the eponymous Johnny Hollow provides a Spooky Photograph to an Occult Detective investigating a Mystery Cult. Careful examination of the investigator's other documents reveals that "Hollow" is a Pen Name adopted by Johnathon H. Ollow, a writer for the in-universe newspaper, The Greater Toronto Gazette.
- Bollywood film "Krrish" has it even in the title. (Dude is named Krishna.)
- In The Hobbit, Bilbo Baggins introduces himself to the trolls as "a bur- a hobbit." ("Bur" = "burglar", the profession designated to him by Gandalf.) To them, he's a "burrahobbit."
- In one of Donald Westlake's stories about John Dortmunder, John stammers out "John D— Diddums." From then on, despite realizing that it doesn't sound like a real name ("It's Welsh," he'll frequently explain), whenever he needs an alias on short notice he panics and can't think of anything but "John Diddums."
- Partially a Line-of-Sight Name, but in the Warlock of Gramarye book A Wizard in Absentia, a very hung over Magnus tries to come up with a pseudonym. He starts out with "Mmma", but quickly realizes it and turns it into a groan. Before he subconsciously sees the E.D.G.A.R. patch on the guard's arm, and gives his name as Ed Gar.
- In Sharyn McCrumb's books Bimbos of the Death Sun and Zombies of the Gene Pool, the main character is an engineering professor, James Owen Mega, who writes science fiction under the name Jay Omega... and is shocked when one of his students sees through the pseudonym.
- In Maximum Ride, when Fang is taken to the hospital Max begins to say his name but quickly ends with "Nick". Iggy later calls Fang "Fnick".
- In American Gods: Low-Key Lyesmith = Loki Lie-Smith. Which only works if you pronounce it in the English way, and not the Norse/Icelandic way. Since it's revealed that the American analogues have little connection to the originals, the only proper way to pronounce it is in American English.
- In one story by Marion Zimmer Bradley, girl Romilly ran away from home. When asked for her name then, she starts "Rom-", coughs, thinks for a moment about using her brother's name, then answers "Rumal".
- In Rowan Hood, Rosemary, while disguised as a boy, is asked for her name and unthinkingly responds with her nickname, Ro. She quickly adds that it's short for Rowan.
- X-Wing Series: Face is disguised as an enemy bridge crewman and speaking to a planetary official, when he turns to address his squadmate Jesmin, who happens to be the niece of the famous Admiral Ackbar. So he starts off with "Ensign Ack-", coughs, and finishes it as "Ackran".
- In the James Bond short story "For Your Eyes Only", Bond meets up with a Canadian contact to obtain information for an off-the-books mission. When Bond introduces himself as 'Mr. James', his contact eyes him suspiciously and then says that James can call him 'Colonel Johns'.
- In Chronicles of Chaos, the bouncer in "Mr. Valentine's" club gives his name as "Terro—uh, Terrance Miles."
- In Drowned Wednesday, Arthur is asked his name by Captain Catapillow upon boarding the Moth, and only gets out the first syllable before realising his mistake. Everyone calls him Arth until they find out his real identity from Dr. Scamandros later on.
- Dav Pilkey's books The Dumb Bunnies were authored under the name "Sue Denim". He got a little annoyed when not many saw through the disguise and Sue Denim started getting more fan mail than him.
- In the Doctor Who novel Managra, there's an aristocratic, arrogant, and conceited swashbuckling hero, Miles Dashwood, who goes by the alias Miles Dashing of Dashwood. (Not improvised on the spur of the moment, so he doesn't have that excuse.)
- Princesses of the Pizza Parlor: Shelby's princess that she's roleplaying as, is called Selvi. Selvi is a distortion of Shelby, with the removal of the 'h' and the /biː/ sound turning into a /viː/.
- In the novel The School Story, Zoe pretends to be a literary agent and uses her nickname "Zee Zee" together with a misspelling of her last name.
Live Action TV
- In Buffy the Vampire Slayer, when Buffy is investigating her mother's new boyfriend, one of his co-workers ask who she is. She says "Bu...Linda. Belinda."
- Doctor Who: The Doctor's pseudonym "John Smith" is a Line-of-Sight Name, but that he's Doctor John Smith fits the trope. Also, the Master's various "disguised" names, which are almost always anagrams, synonyms or translations of the name Master. In the new series, Mister Saxon was even an (unintended) anagram of Master No. Six - which (depending on whether you count The Other Darrins separately) he was.
- After Monica of Friends finds her credit card stolen, she meets the culprit, but not wanting to give her name away, calls herself "Monana". Apparently it's Dutch.
- Kenan & Kel has this.
Kenan: I'm Kenan Rock...ers..tain..ber...nerson.Woman: Mr. and Mrs. Rockerstainbernerson...
- Not out of pretending not to be himself, but simply by being star struck when he meets the president Kenan gets the name "Kiki". Kel is also starstruck but ends up with the name Sharona because he stammers "M, m, my... Sharona".
- Another more straight example is when they enter a TV show to win a house and when a woman ask their names:
- On Top Gear, the presenters are pretending to be 17-year-olds to get insurance quotes. James May gives his real name before quickly correcting himself and using "Adam Smith" instead. Yes, that Adam Smith.
- In an episode of Sabrina the Teenage Witch, Aunts Hilda and Zelda are aged down to teenagers and Sabrina introduces them as her cousins, Hillary and... Zellery. "Your parents were hippies".
- In 3rd Rock From The Sun, when Dick pretends to be a woman, he quickly invents the name "Dicky-Jo".
- In the Spanish and Argentinian soap opera Lalola, Lalo picks a new name this way after he's been turned into a woman.
Lalo: Lalo!... Lalo... La-lo-la. Lola! Lola Padilla.
- Drake & Josh: Drake realises his new girlfriend is the daughter of one of his teachers and quickly says that her name is "E...Liza Jum...Jumbal..aya. Liza Jumbalya!"
- Several episodes of Scrubs have the Janitor pretending to be a doctor. Every time he dons the name "Dr. Ján Ĩtor." This is but one of almost countless Crowning Moments Of Awesome Neil Flynn dished out over the series long run. And there's also J.D.'s totally bitchin' screenplay idea about a Dr. Acula.
- In an episode of Home Improvement, Tim wants to impress Bob Villa, who is guest starring on Tool Time to answer viewer questions. Tim tells Jill to call and ask a difficult question for him to answer, and when he answers the phone, her response is "Hello! This is Jill...een. Uh, uh, Jilleen!"
- Monty Python's Flying Circus provides us with Mr. Hilter, standing for Parliament in a by-election on the National Bocialist ticket in Minehead.
- He also had two associates, Heinrich Bimmler and Ron Vibbentrop.
- Dramatic example: David Banner always used his first name and a last name that started with "B". If the name was common enough (David Brown, for example) he would use it multiple times.
- On The X-Files, Mulder wasn't under any pressure but still didn't bother to come up with a good pseudonym.
Max Fenig: ...I read your article in OMNI about the Gulf Breeze sightings.Mulder: I published that under a pseudonym.Max Fenig: M.F. Luder. I know. M.F. Luder's an anagram for F. Mulder. You really didn't think that would fool us, did you?Mulder: I didn't think anybody was paying attention.Max Fenig: Somebody's always paying attention, Mr Mulder.
- The Pretender always had Jarod doing one of two things when developing an identity for his "pretend" - either he would use the name of a famous person from the same field (Jarod Earp, U.S. Marshal, Jarod Patton, U.S. Army) or use a name with a more subtle connection (such as Jarod Marley during Christmas time or Jarod Shatner while working with a search and rescue team).
- Family Matters had an example when for some reason Urkel and his buddies had to infiltrate a convent while dressed as women. Pressed for a name, Urkel blurts out "Steee—-fanie." Not Stephanie, Steefanie. He claims it's Lithuanian.
- Sophia does this once on ''The Golden Girls". "Sophia Pe...Hawkins. Sophia Pe-Hawkins."
- In the Alias episode "Solo", Rachel is sent undercover as a prostitute. After being told to channel the slut of her high school (Mandy), she accidentally introduces herself as "Ra-Mandy." To the mark, her name is Ramandy.
- In a Crowning Moment of Funny from The West Wing, Josiah Bartlett—the President of the United States—calls the Butterball Hotline on Thanksgiving to get some information about cooking a turkey. When the woman answering the phone remarks that his voice sounds familiar, he claims to "do radio commercials" and gives his name as "Joe Berenson..ton." Later, when she asks if he has a thermometer, he happily brags that he does, given to him as a "gift from the personal sous-chef of the King of"—his staff shoots him a look—"...Auto Sales" in Fargo, North Dakota.
- Played for Laughs in an episode of Modern Family. Cam claims that Mitch is heartless for not taking an interest in their gardener's problems, and Mitch fires back that Cam doesn't even know his name. He attempts to bluff by saying it's "Caesar Sala...zar." Mitch correctly deduces that Cam was going to say "Caesar Salad."
- Done surprisingly seriously in "Frasier Has Spokane," an episode of Frasier. Frasier's show is going to be syndicated in the titular city, but he's replacing a local legend, and the entire population seems to hate him. To help, he has Roz, his producer, call in and pretend to be someone with a problem; during the call, she says her name is "Ro...berta." The serious part comes in when the facade falls and she genuinely expresses her pain about her latest breakup; Frasier similarly offers her sincere advice, and comforts her.
- In Nebulous, the eponymous professor is infiltrating a brainwashing camp. When asked his name, he quickly replies "Professor Neb-Neb".
- In Cabin Pressure, when Douglas is trying to teach Arthur to lie, he asks him his name.
Arthur: Arth...nold. Man. Er. Cat... sir... man.
Douglas: Arthnoldmanercatsirman? That's an interesting name. Tell me, is it made up?
Arhur: Yes, it is. Gah!
- A classic Forgotten Realms character is Elminster's scribe (and butler, and apprentice) Lhaeo who was a great artist at building Jerkass Façade for Old Mage. "Coincidentally", this work left him both ready for anything and acquainted with half or so of the most powerful people on the continent. There also was a missing prince of Tethyr, one Haedrak Errilam Alemander Olosar Lhorik... later also known as King Haedrak III. If his compatriots knew where he is before it was time to pull Rightful King Returns, he would get about as much attention from assassins as Elminster from mad wizards.
- In Abie's Irish Rose, when Abie's father asks about Rose Mary's family name, she blurts out "Murphy," but Abie quickly interrupts and changes it to "Murpheski."
- In SaGa Frontier during Red's quest he attempts to investigate a fighting tournament dressed in his superhero outfit. When asked his name at the sign-up counter he stammers part of his real name a few times, and winds up entered in as "Rerere".
- In Chrono Trigger, Marle does this in the Japanese version. Her real name there is "Marledia", and she gives her name as "Marl". The English version changed her real name to "Nadia", thus making her cover name a bit more clever.
- Nearly happened in Metal Gear Solid 2: Sons of Liberty, when Raiden encounters Solid Snake, undercover as Iroquois Pliskin, Snake starts introducing himself as "S...", before he realizes and corrects himself. Bear in mind Snake is a super soldier and former CIA agent.
- In StarTropics when Mike is disguised as a girl in order to gain access to Shecola, the Queen asks for his name, he then stutters: "Michael, I mean... Mich, Michelle! Michelle is my name!"
- In Trilby's Notes, the ex-Gentleman Thief Trilby (whose real name is never given) uses the name Terrance Railby while he's undercover. One character sees through the ruse, and makes fun of him for expecting to not be noticed.
- The Legion secret agent Vulpes Inculta in Fallout: New Vegas simply translates his name from the Latin.
His contact's diary: Just now I was approached by a rather intense young man calling himself "Mr. Fox." (Yeah, right.)
- In The Elder Scrolls V: Skyrim, a quest that ends in receiving the artifact of the Daedric Prince of debauchery, Sanguine, begins with a drinking contest with a man named Sam Guevenne. Learning about what you did ends up being rather amusing to say the least.
- Phoenix Wright: Ace Attorney: Trials & Tribulations has Larry Butz take the moniker Laurice Deauxnim after his mentor, Elise Deauxnim (actually Misty Fey in disguise). Of course, the pronunciation of that nom de plume makes the latter's identity transparent as air once events start to unfold.
- During the Castlevania: Chronicles of Sorrow games, Alucard spends his time disguised as "Genya Arikado" putting his own name through a Japanese Ranguage filter.
- In Grand Theft Auto V, Trevor tells a story to Wade about a boy named Trisha growing up who eventually meets a troll named Michele and partner up in crime, almost giving out his and Michael's name. Trevor, being pissed, ends up giving away their names near the end and confusing Wade.
- Tales of the Abyss: Guy's alias comes from his childhood nickname [[spoiler:of his real name (Gailardia) and his last name of Cecil is an alternate spelling of his mother's maiden name Cecille.
- The Wotch has Evan, with his habit of turning into a four-year-old and, inadvertently, female on his time off: the tyke is "Lil' E" -> Lilly. When this inevitably goes awry and (s)he ends up an adult in a dress, the result is dubbed "Miss E" -> Missy.
"Missy": I'm Lil.. er... Ev.. er.. Miss...
Rick: Lilerevermiss? Original, for sure.
- Subverted in this strip of Brawl in the Family.
- 8-bit Theater: The first time the
heroes protagonistsmain characters disguise themselves as women, they hurriedly identify themselves as Thiefica, Fighterina, Black Magica, and... Deborah. Yes, Red Mage had a female identity prepared beforehand. Interpret as you will.
- Roommates has an example bordering on Louis Cyphernote with a dash of Mr. Smith. Der Erlkönig uses the name "Lord Errol King" or "Mr. King" for short in his human disguise (which is a pretty convincing glamour in itself).
- Used in Yu-Gi-Oh! The Abridged Series when Marik Ishtar is trying to avoid suspicion:
Joey: You seem like a swell dude. What's your name, pal?Marik: [thinking] Crap in a bucket! I didn't plan for this! Think of a fake name, think of a fake name! [Speaking] Um, my name is uh, um, Mmmmmmmmalik.Joey: Malik, huh? That sounds kinda like Marik, the guy we're trying to defeat in this season.Marik: Yeah, I get that a lot.
- Metal Gear Solid 2: Sons of Abridgerty lampshades Snake's near-mistake in Metal Gear Solid 2: Sons of Liberty with him deciding on the inconspicuous cover Sudonimm McPhayckneighm (Pseodonym McFakename for those who don't get it)
- In ''Homestar Runner, Coach Z believes himself to be superhero Damp Towel Man, and his mild-mannered alter ego Dan Towelman.
Strong Sad: Coach Z, you have a real sucky imagination.Coach Z: That I do, my boy. That I do.
- Whateley Universe: Zoe Nesmith is codenamed Zenith.
- In Futurama, when Leela enlists for the army, she is pushed for a name. Quickly she replies "Lee... la... man. La... man. Lemon! Lee Lemon!".
- In Kim Possible, Martin Smarty asks Shego her name while hitting on her. She tells him "Whoa, back off!" and goes along with his misunderstanding that her name is "Ms. Wobackoff".
- In the first broadcast episode of The Simpsons, "Simpsons Roasting On an Open Fire", Homer, working as a Mall Santa, almost gives himself away when his son is the next kid in line: "What's your name, Bart...ner? Partner?
- In "Fear of Flying", he gives his name as Guy Incognito to enter Moe's in disguise. Subverted in that it turns out it wasn't Homer after all.
- Given his lack of intelligence, this happens to Homer a fair bit. In another Season 1 episode, after a babysitting service refuses Marge's business, Homer tries calling them immediately afterwards and avoids being rebuffed when he claims his name isn't Simpson but "Homer...Samson". Later episodes take it to the extreme with him flat out giving his real name and in one instance desperately trying to come up with a fake name to give Mr Burns, ultimately answering with...Mr Burns, possibly throwing in a dash of Line-of-Sight Name.
- Another episode subverts the trope. Homer claims to be Mr. Burns to recover a letter filled with angry attacks on the old man. When the postal worker asks for his first name, all he can come up with is: "...I don't know."
- Yin Yang Yo!'s Carl does this many times.
- In The Fairly OddParents! episode The Boy Who Would Be Queen, Timmy (as a girl) says his name is "Tim... mantha?".
- When she inexplicably needed to hide her non-human status, Babs on Tiny Toon Adventures came up with "Babs Bun..awalksi..oversmith"
- Spongebob Squarepants. In "Fear of a Krabby Patty", Plankton gives his name as "Peter Lankton". It is later shortened to "P. Lankton". Hey, wait a second... is this a prank call?
- An episode of The Tick had the Tick, going undercover, blurt out his name as "Nick Soapdish". He is immediately called out on this.
The Tick: It's...uh...French!Minion: That's funny. It sounds more made up to me.
- In Fish Hooks, Milo and Oscar do this while sneaking in to a girls' slumber party.
- In The Year Without a Santa Claus, Santa Claus mispronounces his surname when passing among the people of Southtown, calling himself "Mr. 'Clows.'"
- In Batman: The Animated Series episode "Joker's Millions", the impovershed Joker is living in a cheap apartment due to money issues. When heading in, he's addressed at the front desk as a "Mr. Ker" implying he signed his name as "Joe Ker" when renting the place.
- Duckman N. Disguise.
- A variant: Spot in Teacher's Pet actually blurts out his real name when he first arrives at the school disguised as a human, but it is misheard as "Scott", so he decides to roll with it.
- Pelswick: Sandra Scottle works for two competing radio stations, the latter of which she calls herself "Mandra Mottle" on which fools everyone. When her friend Julie Smockford finds out, she uses the pseudonym "Mulie Mockford."
- Done in two episodes of Rugrats that involve crossdressing:
- In "Beauty Contest," when Stu and Grandpa disguise Tommy as a girl to enter him in the Little Miss Lovely contest, Stu starts to give his name as "Tom-" but then quickly changes it to "Tonya."
- In "The Clan of the Duck," when Chuckie and Phil decide to wear dresses for the day and meet other babies who mistake them for girls, Phil tells them his name is "Phillian" and calls Chuckie "Chuckina."
- In an episode of All Grown Up!, this is parodied. Dil's name has been changed in an article to "Bill Nickels" in order to protect him. Dil sarcastically mentions that no one will make the connection.
- In the Steven Universe episode "Hit The Diamond", the Crystal Gems have to disguise themselves as humans in order to play baseball with a team of Rubies from Homeworld. Pearl is "Earl", Amethyst is "Amy", Sapphire is "Sophie", and Lapis Lazuli is "Bob".
- In Codename: Kids Next Door, Numbuh 86 appears to recruit people for a girls-only mission. Numbuh 3 agrees to go. Numbuh 4, not wanting to miss the action, disguises himself as a girl and tags along, claiming his codename is "Numbuh Four... Thirty... Teen... Seven". Though considering the Kids Next Door database has accepted names such as "Numbuh 65.3", "Numbuh 30c", "Numbuh 19th Century" and "Numbuh T", it's not that much of a stretch to accept there's a "Numbuh Four Thirty-Teen Seven".
- The eponymous character of Danny Phantom whose real name is Danny Fenton. This is lampshaded in "The Ultimate Enemy".
Dark Danny: Hello? "Danny Fenton"? "Danny Phantom"? Ever noticed the similarities?
- One Les Luthiers routine has the composer Johann Sebastian Mastropiero composing under the name Johann Severo Mastropiano, to save his family the shame of people knowing they raised a musician.
- The main male cast of Tales of Symphonia do this in the drama CD Maid in Altamira, where they dressed up as maids in a Maid Cafe. Lloyd becomes Lloydie, Zelos Zelda, Genis Ginny, Regal Regala, and Kratos Kratty. Of course, the names don't keep them from running off the customers.
- When Adolf Eichmann was in an Allied POW camp, the Allies didn't know who he was. So he called himself Otto Eckmann, knowing that if someone who recognized him said his name out loud, the Americans running the POW camp wouldn't be able to tell the difference.
- There was a Soviet espionage ring in Switzerland, called The Red Orchestra, that spied on the Nazis during WWII. One of them was a Hungarian named Alexander Rado, whose codename was Dora.
- After WWII, Josef Mengele ("The Angel of Death") went into hiding in South America, but when officials were closing in on his location, he secured a fake passport and escaped to Paraguay. The named he used for the passport? "José Mengele."
- When Daniel Radcliffe was posing as a receptionist for an hour, he went under the brilliantly-covert alias of...Dan.
- Stan Lee was worried that making a name for himself in comics would hurt his chances of becoming a serious writer, so he split his first name in two; his real name is Stanley Lieber.
- Lee Harvey Oswald once rented a room under the alias "Oswald Lee".