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* Emily Dorothea Seaton, protagonist of a series of mystery novels by Heron Carvic. She's not exactly out of it, but her thought processes are difficult for others to follow. Unlike other amateur sleuths, she has no idea she's involved in mysteries. Oh, and if you mean her harm, stay clear of the brolly....
* Most characters in ''Literature/AliceInWonderland'' count, but the Cheshire Cat is arguably the most famous. He's also a recurring character in the Literature/ThursdayNext series, where he's portrayed as smart enough to manage a library containing every book ever written single-handedly, but still spends most of his time asking bizarre and irrelevant questions.
* ''Literature/{{Animorphs}}'': Tobias is one of those up until the end of the first book. After that his mind is much more 'down to Earth', the irony being that a lot of the time his head ''is'' up in the clouds, because he's a bird.
* Anne Shirley of ''Literature/AnneOfGreenGables'' falls victim to this moderately, especially in the earlier books. She just really loves living her own little fantasy world, a world where everything is really, really romantic. She asks Marilla to call her "Cordelia" rather than Anne upon their first meeting, claiming it sounded better. It's to the point of hilarity, really. She gets herself into all sorts of scrapes as a result of having her head up in the clouds, including sinking her best friend's father's dory while re-enacting Tennyson's "The Lady of Shallot." She mellows out with age, but still retains her wild imagination.
* Assol from ''Literature/ScarletSails'', who believes in fairy tales and a prince who will come for her on a ship with scarlet sails.
* ''Literature/ArtemisFowl'': When Artemis progresses to Stage 2 of the [[TitleDrop Atlantis Complex]], he manifests a secondary personality named Orion, who is hilariously WrongGenreSavvy.
* Dawn's mother in ''Literature/TheBabySittersClub'', with Dawn being her CloudcuckoolandersMinder.
* From Creator/PGWodehouse's ''Literature/BlandingsCastle'' novels, Lord Emsworth. Emsworth is a doddering old man who cares about nothing more than his pig (which he christened the Empress of Blandings). Want to talk to Emsworth? Chances are he'll end up rambling about pigs, derail the conversation based on semantics, or just plain space out and not listen to you at all. Even if you're lucky enough to have a lucid conversation with him, ten minutes later he'll have forgotten about it (and quite possibly you) anyway.
%%* Hanno from ''Literature/{{Buddenbrooks}}''. It's not funny.
%%* Orr from ''Literature/CatchTwentyTwo''. The whole book takes place in Cloudcuckooland.
* ''Literature/TheCatcherInTheRye'':
** Despite his perception in popular culture, Holden Caulfield is more Cloudcuckoolander than EmoTeen.
** Then there's Seymour Glass: who (must) at least ''visit'' Cloudcuckooland...think about it - in "A Perfect Day for Bananafish" -- his rant against the woman [[UncomfortableElevatorMoment unfortunate enough to be on the same elevator]]: "If you want to look at my feet, say so. But don't be a God-damned sneak about it." Usually, though, he's too busy [[MessianicArchetype embodying human kindness]] as his family's own personal reincarnation of the Buddha (and '''after''' his suicide, more so).
* In Kurt Vonnegut's ''Literature/CatsCradle'', fictional Nobel laureate Felix Hoenikker, "father of the atomic bomb", was so easily distracted that, at one time, he completely abandoned the development of the atomic bomb to study the skeleton of turtles... his daughter suggested his desperate colleagues to simply remove anything turtle-related from his laboratory, and he'd forget about his fascination with them completely (they did, he did).
* Eilonwy from Creator/LloydAlexander's ''Literature/TheChroniclesOfPrydain'', who speaks in similes and metaphors, [[BarefootLoon walks around barefoot]], chatters airily and often argues with Taran, while still being a beautiful and sharp-witted girl who serves as a LoveInterest.
* In the ''Literature/{{Clementine}}'' books, Clementine's friend Waylon believes that he has superpowers and also before eating anything conducts a pretend battle between his food items. A lot of this is toned down in the SequelSeries starring him.
* Odiana of the ''Literature/CodexAlera'' series lives somewhere in the hinterlands between Cloudcuckoolander, TheOphelia, and AxCrazy. Not entirely unexpected, since she's an incredibly powerful [[UnhappyMedium empath]] with a past that could have driven even a normal person crazy.
%%* Of all people, a young Elizabeth Bathory in ''Literature/CountAndCountess''.
* Lawrence Pritchard Waterhouse, in Creator/NealStephenson's ''Literature/{{Cryptonomicon}}''. He fails to realize that the barren place in New Jersey, full of pine trees, is in fact the Pine Barrens of New Jersey (that he's come to see) until it's pointed out to him. In a wondrously hallucinatory sequence set in those very Pine Barrens, he sees "the world's globe, not the globe fleshed with continents and oceans but only its skeleton: a burst of meridians, curving backwards to cage an inner dome of orange flame" surrounded with "webs of cable and harnesses of electrical wiring ... vast, ramified snarls of ropes and piano-wires, cables and wires." Only when he reports this to his friends the next day as a ''dream'' of [[spoiler:a burning zeppelin]] do we fully realize that Waterhouse witnessed [[spoiler:the destruction of the ''Hindenberg'']].
* ''Literature/DarkFuture'': Commander Fonvielle in ''Comeback Tour'', who regards the Josephites who've drained and reactivated the flooded and derelict Cape Canveral, as new NASA staff and Roger Duroc as the new President of the United States, while being otherwise entirely competent and connected to reality. Well, apart from a tendency to drool and eat his beard. He's also a literal Space Cadet.
* Derk in ''Literature/DarkLordOfDerkholm''. The man makes ''flying pigs'' and ''invisible cats''.
* Robert Marsh from ''Literature/DarknessVisible'', who was [[GoMadFromTheRevelation driven mad]] by the influence of Unreality. The same fate befalls about a third of UsefulNotes/{{London}}'s population before the book is done. Not that being insane stops Robbie from [[TheCuckoolanderWasRight contributing]] to the plot...
%%* Tyentyetnikov, Manilov in ''Literature/DeadSouls''.
* Fregley of ''Literature/DiaryOfAWimpyKid''. With the things he says to people ("I bet I can fit ''your'' whole foot in ''my'' mouth!" and "Wanna hear about my hygiene issues?"), the things he does (play in ball pits, show people his secret freckle, chase people with his boogers) and the fact that anything with sugar turns all of these things UpToEleven, he makes some of the examples of this trope look normal.
* The Bursar from ''Literature/{{Discworld}}'' is something of a Cloud Cuckoolander. Since the overbearing Mustrum Ridcully took office as Archancellor of Unseen University and the various weird things that happened since then (including the movies-influenced invasion of Things from the Dungeon Dimension in ''Discworld/MovingPictures'' and the incident with Windle Poons becoming a zombie in ''Discworld/ReaperMan''), the Bursar's nerves have been worn threadbare, and given him a tendency to do and [[TalkativeLoon say odd things]] under pressure. Thankfully, [[GeniusDitz his skill with numbers remains]] no matter how detached from reality he gets, and with a steady diet of dried frog pills, he consistently hallucinates that he is sane (just like everyone else...) and is able to function reasonably well. Though he still sometimes thinks he can fly, and him being a wizard, gravity isn't about to say otherwise.
-->"The Bursar was, as he would probably be the first to admit, not the most mentally stable of people. He would probably be the first to admit that he was a tea-strainer."
** ''Literature/{{Discworld}}'' magic-users, as a rule, seem to cultivate a touch of Cloudcuckoolander-ness. One of the minor wizard characters at Unseen University has an office where the furnishings are entirely constructed of piled-up books, while a young witch-in-training from the Tiffany Aching series pins her hair back in a bun with a knife and fork. Apparently, too much power tends to drive witches insane (think of Black Aliss.) Perhaps she is trying to channel her madness into a harmless form? That's what the book says "All witches are odd. It's best to get your oddness sorted out early on."
** Carrot Ironfounderson, with his unshakable conviction that people are good at heart, is frequently thought to be one of these by other characters. They'd be absolutely right about that, if he didn't make it ''work''. From about ''Discworld/TheFifthElephant'' he stops.
** Leonard da Quirm, who designs war machines but believes that no ruler in their right mind would have their army use such horrible weapons. The bad news is, [[MagnificentBastard Havelock Vetinari]] is [[OnlySaneMan the only ruler in his right mind]] on the Sto Plains by these standards, realizing that war and empire-building are more trouble than they're worth; the good news is, Vetinari has Leonard safely locked away and working for him.
** Moist von Lipwig is prone to employing these, including Stanley the [[{{Otaku}} pin collector]], who was [[RaisedByWolves raised by peas]]. Not on, ''by''. Also Owlswick Jenkins, an even more off-kilter GeniusDitz forger who makes copies better than the real thing. For that matter, Moist has some moments like this himself, although it's mostly a result of him [[RefugeInAudacity living on the edge]].
* OlderThanSteam: The title character of ''Literature/DonQuixote''; a man who has become so obsessed with ChivalricRomance that he goes batty and becomes a makeshift KnightErrant, taking on a peasant named Sancho as his Sidekick. His adventures famously include jousting windmills because he believes them to be giants in disguise. Published in completion in 1615, the work is widely regarded as a [[{{Canon}} significant achievement in all literature]] and arguably the greatest work of the Spanish language, making ''Don Quixote'' a candidate for a TropeCodifier. More modern interpretations portray him more sympathetically and put more blame on [[OnlySaneMan society's rejection of his admirable idealism]].
* ''Literature/DragonBones'': Ward's mother moved to CloudCuckooland eventually, to escape her husband's abuse. She did it deliberately to some extent, by ingesting herbs that affect the brain, but seems to be a natural CloudCuckoolander when the story starts - she never is quite there, and "only hears what she wants to hear." Ward followed her example and [[ObfuscatingStupidity faked brain damage]] after a particularly violent beating from his father that made him unable to talk for some time. This, naturally, comes back to bite him when his father dies and he is deemed too stupid to inherit the castle and surrounding land.
* By Codex Alera's same author, ''Literature/TheDresdenFiles'': Harry Dresden has his spacey moments, especially when he's concussed, drugged, and/or in pain.
** An especially egregious example in ''Cold Days'', when he muses to himself on the 'swing a cat' saying. He then turns to Thomas and asks out loud where that expression came from, without explaining what expression he's referring to.
** He comes off much, much more of one to those who are LockedOutOfTheLoop of the supernatural world, what with the whole claiming-to-be-a-wizard thing and all.
* In Alison [=McGhee=]'s ''Literature/FallingBoy'', ''everyone'' is a Cloudcuckoolander to some extent or another. With the OnlySaneMan being a 16-year-old going through a major life crisis, the book consistently refers to "(character name) World."
* Marianne Engel from ''Literature/TheGargoyle'' by Andrew Davis mixes this with TheOphelia. Even if her stories about her and the narrator's past life are true and not delusional, she still has a lot of quirks (including talking to herself in Latin, etc.)
* Leelee in ''Literature/TheGenesisOfJennyEverywhere'' is a borderline case; not terribly bright or imaginative, but lives her life with no apparent sense of routine or even logic- one day turning up to school early because the lesson first period might have sounded interesting, the next bunking off and riding around random places, such as to the local park to scare the ducks (apparently her favourite pastime when not hanging round with Jenny). Lampshaded by the resident AlphaBitch who is Jenny's main antagonist at school.
* Dom in ''Literature/TheGiddyDeathOfTheGaysAndTheStrangeDemiseOfStraights'' fits the trope. His narrative rambles and goes on some extreme tangents.
* Abigail from ''GlovesOfVirtue'' by Montgomery Phister is this, with her [[StrangeSyntaxSpeaker weird speech patterns]], [[CharacterTics habit of scratching her ankle with her toe while thinking]], etc. She is a case of CrazyAwesome, since she has been able to figure out the villain before everyone else does. She is very much aware and self-ironic about this.
-->''Terrible how you two have to put up with an erratic typical fluffy-headed woman, but answer me anyway''.
* ''Literature/GreystoneValley'' includes a wizard who can't read his spellbook, a warrior who can't stand the sight of blood, and a mouse-sized dragon. Somehow, they all manage to come through when they're needed most, though.
* Faye from ''Literature/TheGrimnoirChronicles'' is a teleporting Okie girl who thinks several times faster than everyone else and is ''really'' good at killing people. She tends to sort everyone she meets into one of three categories: 'Friends,' 'Stupid,' and 'Needs to Die.'
* ''Literature/HarryPotter'':
** Luna "Loony" Lovegood rules this trope, as well as TheCuckoolanderWasRight. She belongs to House Ravenclaw, which values intelligence and creativity, and she believes so many oddball things - but has a surprisingly profound emotional intelligence. After the final battle with Voldemort, she becomes a wizarding naturalist and discovers many creatures nobody else [[ArbitrarySkepticism thought existed]]. This being Literature/HarryPotter, she never does manage to find a [[EnsembleDarkhorse Crumple-Horned Snorkack]]. C'est la vie.
** Professor Trelawney, the Divination professor, dramatically and inaccurately predicts the death of one of her students each year. She also refuses to join a table if thirteen people are seated. She's convinced that the first to rise will be the next to die. She ''does'' accurately predict that "one of our number will leave us forever" ... which turns out to be Hermione dropping the class.
*** When she made that prediction that "the first to rise will be the first to die", [[spoiler:Dumbledore]] [[FridgeBrilliance was the first to rise; Wormtail was at the table in rat form]]. Then there was her prediction of [[spoiler:Wormtail returning to Voldemort's side]], and of course, her prophecy of the Dark Lord's defeat. She may be a Cloudcuckoolander [[BunnyEarsLawyer but her divination skills]] [[TheCloudcuckoolanderWasRight are unquestionable]] when it comes to the bigger events.
** Dumbledore comes across as incredibly strange in his thought patterns and interests. During the Welcoming Feast in Harry's first year, his opening remarks were "Nitwit. Oddment. Blubber. Tweak." When Harry hesitantly asked a fellow student about the Headmaster, Percy confirmed that he was brilliant, but a little mad. And according to the man himself, when he looks into the Mirror of Erised, which shows you your heart's deepest desire he saw himself holding warm spoken socks. Though, though the final book very heavily implies that he saw the same thing as Harry, the family he lost.
* In Moira J. Moore's ''Hero'' series, being a Cloudcuckoolander is the first symptom children show when they will grow up to be weather-workers called Sources (and be required to have a soulmate TheStoic who can translate for them).
* ''Literature/TheHitchhikersGuideToTheGalaxy'':
** [[{{Jerkass}} Ford Prefect]] seems like one of these on Earth, staring into the skies looking for green flying saucers and laughing at astrophysicists, and telling everyone that a particular Thursday is TheEndOfTheWorldAsWeKnowIt. When they leave Earth and [[UnfazedEveryman Arthur]] finds out he's an alien, these habits start to make sense. But Ford continues to be a Cloud Cuckoolander with his main goal in life being to get drunk and dance with girls, and trying to get out of saving the universe by claiming he had a doctor's note.
** The Ruler of the Universe from ''Literature/TheRestaurantAtTheEndOfTheUniverse''. For example:
-->'''Zarniwoop:''' And they ask you to make decision for them? About people's lives, about worlds, about economies, about wars, about everything going on out there in the Universe?\\
'''The Ruler of the Universe:''' Out where?\\
'''Zarniwoop:''' Out there!\\
'''The Ruler of the Universe:''' How can you tell there's anything out there? The door's closed.
** To the Ruler, everyone else (if they exist) is the Cloudcuckoolanders. They persist in believing things that they have no immediate, direct evidence for -- like what's on the other side of that closed door -- and insist that things are as they say they are without even considering the possibility that they could be otherwise. And then they get angry about it.
* In the Jorge Luis Borges short story "The House of Asterion", ''the freaking Minotaur'' is made into one. This is somewhat justified as he has spent much of his life alone in the Labyrinth.
* In Garcia Lorca's ''Literature/TheHouseOfBernardaAlba'', the grandmother appears completely crazy and delusional; she takes out the jewelry and says she wants to get married, then appears cradling a lamb as if it is her baby. Yet she occasionally says what all the other characters should be thinking, and is the first to voice her protest against Bernarda's tyranny.
* Apparently how Wiress's traumatization from being in ''Literature/TheHungerGames'' has manifested. She rarely speaks, and when she does she tends to drop of mid-sentence, she has trouble expressing her thoughts, and she has a habit of "randomly" reciting old nursery rhymes and seemingly random words or phrases. But she ''is'' very smart and knows what she's talking about, if you can figure out her train of thought.
* In the ''Literature/InDeath'' series, Dennis Mira, Dr. Mira's husband. Incredibly sweet and empathetic but rather spacey. Eve finds him oddly charming.
* Angela of the ''Literature/InheritanceCycle'' comes out with random non sequiturs frequently. In her spare time, she tries to prove that toads don't exist. Even when she's '''''holding one'''''. This may lead to a MindScrew, she and the main characters get into a discussion about how the toad she's holding is actually a frog...excuse me, my brain hurts...
** Though, there is the possibility that she is ObfuscatingInsanity, as there are a few times where she drops the weirdness. Namely, when she finds out Eragon met her mentor, and when [[spoiler: she crosses enemy lines to poison the invading troops]].
* Deconstructed in ''Ironman'' with Hudgie. His inane ramblings are treated as a severe threat to his own well being, and it's heavily implied that he is incapable of rational thought anymore. Oh and the reason he's like this is [[spoiler:due to the ''horrific'' emotional abuse and flatout torture his [[AbusiveParents psychotic father]] subjected him to his entire life]].
* Rui Takamiya from ''Literature/TheKeyOfYliaster'' is kind of like this. She admits that she is insane, and does things like asking people if they are gummy bears, for crying out loud. She also apparently believes that gummy bears have souls and that they can somehow reincarnate.
* ''Literature/TheKingkillerChronicle'': The nature of the {{Doublethink}} required to work this universe's particular brand of magic can be rough on one's sanity, so this series has more than its fair share of this trope:
** Master Elodin. One example of his cloudcuckoolander tendencies would be the time he told Kvothe that he had 'lost' the key to a door, framing it as a test, and then when Kvothe had picked the lock, proceeded to empty the room's wardrobe into the fireplace before revealing that they were actually in the chambers of Master Hemme. Also, his teaching techniques are... questionable at best; see the time he assigned his students a twenty-title reading list, all the while emphasizing that he had no idea where in the Archives the books could be found, or if they were even there at all[[note]]Although Kvothe manages to find all but one; they seemed to have no relation to each other, much less to Elodin's teachings[[/note]]. The next class, when everyone arrived ready to discuss what they had read, he simply ''didn't show up.'' He also [[BarefootSage has a penchant for going barefoot]].
** Auri[[note]]Not her real name, which she refuses to tell Kvothe[[/note]], a former student who now lives in a network of disused chambers, tunnels and sewers beneath the University, which she refers to as 'the Underthing'. The only people she seems able to talk to are Elodin and Kvothe, and she tends to bring them generally mundane gifts to which she ascribes mystical-sounding but ultimately meaningless secrets. [[BarefootLoon She shares Elodin's aversion to shoes.]]
** 'Puppet,' a former student like Auri[[note]]His real name also isn't Puppet[[/note]], lives in the Archives, has a strange obsession with puppetry, has seemingly committed the text and location of most items in the Archives to memory[[note]]Keeping in mind that the Archives are so expansive that no one has successfully managed to finish organizing them in centuries[[/note]], and, perhaps most oddly, answers his door by impersonating an ancient hero, and if he doesn't feel he's gotten the impression right, he'll slam the door on you and request loudly that you knock again so he can make another try.
* Goss from ''Literature/{{Kraken}}'' is an interesting case. He's either this trope or a subversion, depending on your point of view. He does understand what's going on, but has a tendency to speak in such a bizarre vernacular (speaking to people as if they were school friends, or magical princesses, or something equally as strange), frequently chides his silent partner Subby for being a chatterbox, and has a tendency to ignore whatever others say that doesn't fit into his strange little world. Given that he's an AxCrazy PsychoforHire, his bizarre way of behaving is even more terrifying.
* In ''Literature/TheLastUnicorn'', the butterfly sings songs, recites poetry, quotes a warning from a matchbox at one point, and occasionally says something useful. It's at least implied, if not stated outright, that verbatim parroting what he's heard others say before is actually the only way any butterfly can talk at all. He seems to understand what the unicorn is after well enough, though.
* The Harpell family of wizards in ''Literature/TheLegendOfDrizzt'' books. List of "experiments" include trying to cross a horse with a frog; [[Literature/TheIcewindDaleTrilogy accidentally turning themselves into dogs]]; [[Literature/LegacyOfTheDrowSeries physically relocating their brains to their buttocks]]; separating their eyes from the rest of the body and getting stuck that way; believing double initials to be important omens, etc., etc. All the while beaming happily. The ''really'' weird part is that their experiments tend to have successful side effects -- the one who turned himself into a dog, once turned back, ended up a werewolf; the one who tried to cross a frog and a horse ''succeeded'' (he dubbed the result "Puddlejumper"); and the brain-switching was actually with purpose, as it was done to fight against brain-eating monsters. This may mean the family hinges on being a clan of TheFool.\\
As for Harkle Harpell's eyes being teleported away from his body, he actually had an excuse that time: it happened during the Time of Troubles, during which ''everybody's'' magic spells went wrong somehow. Harkle tried to teleport his entire body before he knew the situation, the result being that he was able to see his intended destination (since his disembodied eyes were there) and talk to the people there, but his body remained behind. He was blind to his immediate surrounding until his colleagues were able to help him make the trip overland and reinsert the eyes in their sockets.
* Brandon stands out in ''Literature/TheLeonardRegime'' due to his unusual behavior and overall obliviousness.
* Discussed in Lord Chesterfield's ''Literature/LettersToHisSon''. He wasn't too fond of this trope: "Sir Isaac Newton, Mr. Locke, and (it may be) five or six more, since the creation of the world, may have had a right to absence, from that intense thought which the things they were investigating required." (letter I)
%%* Just because Shin-tsu of ''Literature/TheLongingOfShiinaRyo'' is one of these doesn't mean he's wrong, you know.
%%* ''Literature/LordPeterWimsey'''s mother, the Dowager Duchess. As well as Lord Peter himself, though it's hard to tell how much of it is ObfuscatingInsanity.
* ''Literature/MorganvilleVampires'' series: Myrnin (a vampire mad scientist with bunny slippers) and Miranda (a psychic [[spoiler:ghost]] child).
* Maia Fresia from Creator/UmbertoEco's ''Literature/NumeroZero'' is very much this, having some childlike mannerisms and a penchant for saying things that randomly pop into her head (one of her colleagues even speculates that she has "a mild form of autism"). Interestingly, [[{{Cuckoosnarker}} she combines this with a great sense of humor and a sharp wit]].
%%* Ashley in the ''Literature/NurseryCrime'' novels, and his entire family. Considering they're Rambosian aliens, it's fairly obvious why they don't get many of the minutiae of human interaction.
* ''Literature/{{Oblomov}}''. It's not really funny: Instead of caring for the village he owns, he spends years of dreaming up improvements and does effectively nothing.
* Dean Moriarty in ''Literature/OnTheRoad''. [[Creator/JackKerouac Kerouac's]] fictionalized version of Neal Cassidy drives 100 mph naked through the midwest in a borrowed car without a second (or first) thought. This not extreme behavior for this guy.
* Dwight from the ''Literature/OrigamiYoda'' series is a Cloudcuckoolander. He lies down in random places, and once thought that there were squirrels inside a locker he needed to open [[note]] He thought that lockers opened from the inside, so he asked the squirrels to open it for him. [[/note]].
* Skippy, a juvenile [[OurWerewolvesAreDifferent Wolfgard]] whose brain 'skips' over certain aspects of life, in the series ''Literature/TheOthers''.
* Jenny Wren, from ''Literature/OurMutualFriend'', is physically handicapped to and lives in a mixed world of harsh reality and poetic fancy ("Who is this in pain? Who is this in pain?").
* ''Literature/PercyJacksonAndTheOlympians'' has Tyson, the 6-foot-something cyclops [[TheDitz who acts like he's about 3 years old]].
* A great deal of the plot of ''Literature/PippiLongstocking'' revolves around Pippi living in Cloudcuckooland while the adults and others don't.
** Pippi is first encountered walking backwards so that she doesn't have to make the effort to turn around to go back where she came from. (Though quite possibly, she was trying to catch the other kids' attention.)
** Her reaction to an ad asking "Are you suffering from freckles?" is to march inside the store and answer "No, I'm not suffering." (She has loads of freckles but likes them.)
** Her only reason for wanting to go to school is [[InsaneTrollLogic because otherwise, she'll never get to go on holiday from school]].
* The Pirate Captain from Gideon Defoe's ''The Pirates!'' series. In one book he is told to concentrate and stay focused. Somehow he turns this into a ten-page daydream about a world made out of mint, where a lazy king tricks people into doing his yard work.
* ''[[http://www.ubu.com/historical/racter/index.html The Policeman's Beard Is Half Constructed]]'' uses this trope a lot. Understandable because the author [[spoiler:is an AI]].
-->Awareness is like consciousness. Soul is like spirit. But soft is not like hard and weak is not like strong. A mechanic can be both soft and hard, a stewardess can be both weak and strong. This is called philosophy or a world-view.
* ''Literature/{{Psmith}}'' is another Wodehouse example. He [[MyNaymeIs added a silent P. to his name to differentiate himself from all other Smiths out there]], and [[PsmithPsyndrome can tell when you're pronouncing his name without that silent letter]]. He also once offered to provide any service for a prospective employer, including [[RefugeInAudacity assassinating their aunt]].
** Bat Jarvis, from "Psmith, Jouralist", the gangster who's prone to ask you if you've ever had a cat with different-color eyes.
** Sacksby Senior from ''Cocktail Time''. He has a habit of misinterpreting everything that is said to him, and he also refers to his acquaintance Lord Ickenham as 'Scriventhorpe', for no discernible reason. Out of Wodehouse's cloudcuckoolander characters, he is arguably the most divorced from reality:
---> '''Sacksby:''' Ah, Scriventhorpe ... you seen Flannery lately?
---> '''Ickenham:''' I'm afraid I haven't.
---> '''Sacksby:''' Ah. And how's he looking?
** But Wodehouse's most famous cloudcuckoolander has to be [[Literature/JeevesAndWooster Bertie Wooster]], [[OverlyNarrowSuperlative the kookiest narrator ever to assert that opossums play dead by instructing their friends to hang out crepe paper and go into public mourning]].
---> ''I'm not absolutely certain of my facts, but I rather fancy it's Shakespeare--or, if not, it's some equally brainy lad--who says that it's always just when a chappie is feeling particularly top-hole, and more than usually braced with things in general that Fate sneaks up behind him with a bit of lead piping''.
*** Who is totally upstaged by Madeline Bassett, a girl who he has the misfortune of being occasionally engaged to, and who comes out with bizarre statements about the stars being "God's daisy chain" and such.
** In fact, let's just go the whole nine yards and say that ''every'' Creator/PGWodehouse character probably has at least a smidge of this. Yes, [[NotSoAboveItAll even you]], [[TheJeeves Jeeves]].
* An example that helped define this trope is Creator/JamesThurber's 1939 short story "Literature/TheSecretLifeOfWalterMitty." The titular hero is a mild, unassuming man who's prone to spinning off into elaborate heroic fantasies at the slightest real-life suggestion.
* In Creator/PatriciaCWrede's ''Literature/TheSevenTowers'', the sorceress Amberglas is somewhere between this and ObfuscatingStupidity; her constant rambling digressions seem to be genuine, but she's much sharper (and more powerful) than she gives the impression of being, and frequently she has important things to say if you can sort them out from the nonsense.
* Ebbitt of ''Literature/TheSeventhTower'' definitely qualifies. He'd be plain old CrazyAwesome... if he didn't keep forgetting key points of his plan.
* Jeanne from Charles Baxter's ''Literature/ShadowPlay''. She invents new words like "zarklike", "corilineal" and "nutomberized", talks to herself, believes she's drifting on an ocean liner, speaks in metaphors, sees angels and so on and so forth. At the same time, she's often wise and loving. She actually understands she's crazy, but seems to choose madness over sanity and prefer living in her own universe. As her son Wyatt said about her, "you couldn't be insane by choice, but she was."
* Eliza in ''Literature/SomeoneElsesWar''. Her chipper nuttiness is a breath of fresh air, considering that the rest of the novel is one relentless punch to the gut after another. The same novel also gives us Abdel, a quirky little weirdo who arbitrarily decides that he is psychic.
* Stargirl in ''{{Literature/Stargirl}}'' by Jerry Spinelli. Doesn't wear makeup and carries a ukulele around school and serenades strangers in the canteen with music from it on their birthdays. Also decorates her desk each period with a tablecloth and flowers.
%%* In Janet Evanovich's ''Literature/Stephanie Plum'' series the entire city of Trenton, New Jersey seems to be if not Cloudcuckooland, at least a suburb thereof.
* Valentine Michael Smith from ''Literature/StrangerInAStrangeLand'' is this trope played seriously, a FishOutOfWater that confuses everyone immensely because he is ''clearly'' not stupid, and probably an outright genius.
* An interesting variation occurs in ''Summer of Eternity''. The mother of one of the characters learns that her husband helped commit a murder and has been arrested. She has a complete breakdown, as a result. For the rest of the book, she is in a cheerful mood and is off in her own little world, believing that her husband is off at work rather than at prison. The trope is played straight, but due to the context in which it is played, it comes across as heartbreaking rather than funny.
* Patty, the 12-year-old protagonist of ''Literature/SummerOfMyGermanSoldier'', is virtually friendless and suffers abuse at the hands of her parents. She often escapes into daydreams as a coping mechanism.
* In ''Literature/TheTrolls'' there is a woman nicknamed "Mad Maud" from [[CoolUncle Aunt Sally's]] stories who lived in a house filled with stuffed animals she supposedly shot herself and routinely goes cougar hunting in the woods surrounding her house. Said cougars were actually squirrels, and her aim is far from accurate.
* Dr. Roger Burrows, the wanna-be AdventureArchaeologist of the ''Literature/{{Tunnels}}'' series. He tends to get so caught up in his admiration of ancient artifacts that he neglects trivial matters such as the fact he ran out of food three days ago and is surrounded by large carnivores. He does however have enough of TheFool archetype to survive most dangers by virtue of simply not noticing them.
* Wendy from Creator/JohnCWright's ''Literature/WarOfTheDreaming'' is similar to Eilonwy--a GenkiGirl who believes she forgot how to fly and runs naked in the woods trying to remember, gets sidetracked during a conversation to hunt for elves, and isn't at all surprised when a armored knight-errant climbs through the window in her hospital room.
* Just about anyone in ''Literature/WinnieThePooh'' besides [[TheEeyore Eeyore]]. Kanga's a bit more stable, too, if a little overprotective.
%%* Almost every character in ''Literature/WorkShirtsForMadMen'' has some elements of this. The narrator often comes off as one to other characters.
* The Mnomo in ''Literature/WisePhuul'' are an entire race of these.
* ''Literature/TheStormlightArchive'':
** Shallan can come off as this when the scholarly side of her takes over, such as interrupting Adolin's boasts about his battles on the Shattered Plains to wonder how [[NobodyPoops he poops in Shardplate]].
** The old man Lift meets in ''Literature/{{Edgedancer}}'' is spending his free time sitting on a bench, interrupting random people in the street and asking them which body parts they are, treating any answer as absolutely honest. He claims he's trying to form world's ultimate philosophy. [[spoiler:With the reveal that he's actually a Hive Mind made up of dozens of insects specialized in functions of various body parts, this makes a bit more sense.]]
* The etherealists in the steampunk series, ''Literature/TheCinderSpires''. (Yet another series by the author of ''Literature/CodexAlera'' and ''Literature/TheDresdenFiles''.) Apparently, being a conduit for etheric energies is not conducive to sanity.
---> ''Let me put it this way, sir. If you ever meet an etherealist who does not seem odd, you will have ample reason for caution. An etherealist who speaks to things that are not there and cannot track the day of the week is par for the course. One who is perfectly well dressed, calmly spoken, and inviting you to tea? That is someone to be feared.''
* ''Literature/TheSouthernReachTrilogy'': Whitby was eccentric ''before'' his [[spoiler:unauthorized trip into Area X with the director]]. What he saw there didn't help his state of mind one bit. He drifts in and out of focus, voicing cryptic suggestions, and Control remarks how Whitby's theories make sense only on the surface but descend into outlandish fantasies upon a closer look.
* Nathan in ''Literature/YouAreDeadSignHerePlease'' is a bit eccentric even given the bizarre world he inhabits, mainly because he's got a brain lesion that makes him incapable of fearing death. It also seems to make it [[AttentionDeficitOohShiny very hard to concentrate for anything for more than a few moments,]] and causes him to develop [[InsaneTrollLogic odd theories]] - for instance, he believes that people who keep plants in their offices do so because they are [[BadBoss especially angry and shouty]] and therefore need the extra oxygyn produced by plants.
* [[Literature/MrMen Roger Hargreaves seems to be fond of this type of character:]]
** Mr. Silly puts marmalade in his coffee, lives in half a house, eats the shell of an egg and finds the idea of a hen who doesn't wear boots and carry an umbrella, a pig who doesn't wear trousers and a bowler hat and a worm who doesn't wear a top hat, monocle and an old school tie silly. The fact that he lives in a place known as Nonsenseland certainly doesn't help.
** Mr. Muddle is so named because everything he does ends up in a hopeless muddle. He wanted to live in the countryside but got muddled and built his house by the seaside instead, and when he tries to make a roast dinner of turkey, potatoes, peas, and gravy, he puts the turkey in the cupboard to cook and the potatoes in the fridge to boil, then peels the peas and tries to slice the gravy.
** Little Miss Scatterbrain is constantly confusing the names of the other Mr. Men and Little Misses, and when she goes into town to buy sausages, she walks into a bank instead and asks for two pounds (of sausages), then wonders what the two notes the bank teller passes her are in aid of.note
** Mr. Rush is a guy who rushes around all day going... nowhere.
** Mr. Nonsense, as befits his name, has a truly nonsensical way of looking at the world. He sleeps in a rowboat (he found a motorboat too uncomfortable) and eats oatmeal on toast for breakfast (he tried oatmeal sandwiches once but didn't like them).
** Mr. Topsy-Turvy is the worst. He walks backwards, reads books upside-down (and starts from the last page), has a crazy-looking house, and talks in sentences with the words mixed up. Even worse, this behavior is catching; when he visited a city, the folks there started acting like him.
** Mr. Wrong wears a flower pot for a hat, he wears one shoe that's black and one shoe that's brown, calls a worm a dog instead of a worm, calls a postman a doctor instead of a postman and calls his elderly neighbor Mr. Twinkle instead of Mrs. Twinkle.
** Little Miss Dotty is so named for her dotty ideas, like covering her house in dots, for instance.