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* ''Webcomic/AxisPowersHetalia'' fanfic ''[[https://www.fanfiction.net/s/11886910/1/Gankona-Unnachgiebig-Unità Gankona, Unnachgiebig, Unità]]''. Italy [[ObfuscatingStupidity seems]] to be oblivious to just about everything. He also is a ''genius'' in art and literature in addition to matching [[{{Samurai}} Japan]] in swordplay.
* ''Fanfic/ACrownOfStars'': Daniel is the GodEmperor of Avalon, an Empire which spans a chunk of TheMultiverse. He is the BigGood of his realm, powerful, ancient, and ever-concerned with protect his subjects and help people in need. He is also "quirky" to say the least. It's deliberately invoked, however, since interacting with people in a friendly and lighthearted manner helps him keep in touch with humanity; that, and anytime Shinji and Asuka see him he is usually "off duty", making culture pop jokes or wearing Hawaiian shirts while sunbathing.
* ''Fanfic/ChildOfTheStorm'' has Tony Stark, who's close to being outright insane and usually up to something strange, but also one of the most brilliant scientists the world has ever seen.
** 12 years of Azkaban have left Sirius a bit unhinged at the best of times, but he's also a clever man and a very talented duelist.
** Doctor Strange seems to cultivate an aura of weirdness, making pop-culture references at the oddest of moments (sometimes to quite poignant effect), dresses like a fairy tale wizard and has a sense of humour that could only be described as odd. He is also by far the most dangerous character in the setting, an exceptionally ruthless MagnificentBastard with ill-defined abilities as a {{Seer}} and/or a time traveler (Harry Dresden opines that it's a little from column A and a little from column B), a master of the ButterflyEffect who conducts the colossal GambitPileUp like a symphony and can duel [[GodOfEvil Gravemoss]] on even footing.
** [[Creator/NimbusLlewelyn The author]] himself seems to fit into this category, being a total MotorMouth who seems to be completely aware of his slightly off-beat view of the world and sees it as an advantage.
* ''Manga/Evangelion303'': Mari is ''nuts''. She is an Music/ElvisPresley fangirl, sings and makes "Pew, pew" noises during the battles and she will forget about an ongoing mission to try to beat a strong [[TheRival rival]]. And still she is good enough to give the base's [[AcePilot top pilot]] a run for her money.
* In ''FanFic/TiberiumWars'', GDI Commander Karrde finds Lieutenant Kirce James to be pretentious, self-important, and overly dramatic, which annoys him to no end. At the same time, she's able to whip up squadrons of Firehawks, an Ion Cannon, an entire division of GDI Marines, and [[spoiler: a ''thousand'' Mammoth Tanks]] for him on short notice, so he doesn't complain at ''all'' when it comes to the results.
* Dr. Kaminko from ''[[Fanfic/PokeWars The Pokémon They Carried]]'' has a habit of naming his military hardware after Pokémon. Command lets him keep doing this because ''he's just that damn good'' at designing weapons.
* ''WebAnimation/TurnaboutStorm'' has [[WesternAnimation/MyLittlePonyFriendshipIsMagic Trixie]] playing as the prosecutor; she goes to court in [[RobeAndWizardHat a magician getup]], [[ThirdPersonPerson refers to herself in third person constantly]] and [[SmallNameBigEgo has an ego bigger than the courtroom]] -- Yet she's well versed in ''Franchise/AceAttorney'' prosecutor tricks, and she's very capable of being a huge thorn on Phoenix Wright's side.
* Between his incompetence at the Digimon card game, lack of experience, inability to make effective plans and shy nature, it's easy to write off Takato from the ''FanFic/TamersForeverSeries'' as weak excuse for a Tamer. but his outward awkwardness masks an astonishing degree of competence.
* Sunny Breeze is absolutely this in ''Fanfic/RacerAndTheGeek'', even if he's relatively less quirky than many of the examples here. Switches constantly between the three languages he speaks, knows more about firearms than the rest of the bank security outfit put together, drinks spirits like water, personally owns enough gear to outfit a fire team, is afraid of talking to girls, and is a ShellShockedVeteran with an itchy trigger finger. He keeps his job for multiple reasons. First, he is one of the few who can do the job. Second, his boss is his longtime friend. Third, he is a very competent fighter with amazing instincts and a strong sense of honor. Fourth, he hasn't crossed the line so such an extent as to demand something be done about him. In one chapter, they discuss that Sunny is likely one single WhamEpisode away from being terminated, should anything happen that even being friends with the boss can't settle. Think of it this way: Sunny's idea of what to do if being a guard doesn't work out is to return to being a freelance mercenary! Being a BEL in this fic is not a good thing whatsoever.
* The ''Manga/RanmaOneHalf'' fanfic ''Fanfic/GirlDays'' revealed that the Kunō family was full of Bunny Ears Lawyers, such as a WWII fighter pilot who wore a sailor fuku, or a samurai who fought with a live rabbit strapped to the top of his head. The current generation, though, are simply nuts.
* ALL of the scientists in the ''Manga/{{Bleach}}'' fanfic ''Fanfic/ProjectTatterdemalion'' fall under this trope: Urahara, Yoruichi, Tessai, Isshin, Masaki. The only reason they're still employed after all their insane prank wars, bizarre personal quirks, and failure to obey military protocol is that their scientific work is unimpeachable. Shunsui does a much better job of keeping it under wraps but he's pretty eccentric for a high-ranking security officer.
* {{Discussed}} in ''Fanfic/TheWrongReflection''. Prior to the fic Eleya avoided being cashiered for gross insubordination (cussing out Rear Admiral Tuvok and several dignitaries) because she helped save Earth Spacedock and Qo'noS from the Undine immediately after that. She kept her command and even got a medal, but she also ended up with a black mark on her service record that means she'll probably never make admiral (not that she wants to). [[http://sto-forum.perfectworld.com/showpost.php?p=19317651&postcount=96 The author explains the thought process here.]]
* Ichigo in ''Fanfic/TheWorldInBlackAndWhite''. He's a bizarrely child-like, candy-obcessed Hollow, who is up to something involving notebooks, while still being every bit as overprotective and capable of kicking ass as his canon self.
* In ''[[https://www.fanfiction.net/s/9474142/6/The-Circle The Circle]]'' Xenophilius Lovegood is considered an excellent political tutor despite such personal quirks as sniffing the top of Harry's head and asking Neville if he likes pudding as much as Luna does.
* ''FanFic/PacificWorldWarIIUsNavyShipgirls'' has Maury, Chester, and Helena. The first is a Captain America {{expy}} who carries around an American flag everywhere she goes, the second a WomanChild who treats other peoples' weapons like toys, and the third [[GoingCommando doesn't even bother to wear underwear]] [[TheTease when going around.]] Yet all three of them are some of the most skilled among the American ship girls.
* In ''FanFic/SonicXDarkChaos'', this trope is the pretty much the only reason Sonic and friends even let Eric anywhere near them. Despite being an IdiotSavant CloudCuckoolander, he's got the technical skills of Tails with the fighting skills of Sonic - and he's genuinely good (most of the time) under all his insanity. This is also the reason why Sonya deeply loves him despite his craziness.
* Cynthia in ''Fanfic/SecretDreamer'' is just as eccentric as she is in ''[[VideoGame/FireEmblemAwakening Awakening]],'' but she shows herself to be a capable commander during an unexpected skirmish with the Risen, deftly managing the recruits and striking more than a few decisive blows of her own.
* [[AlternativeCharacterInterpretation Unlike in canon,]] where they're [[IneffectualSympatheticVillain incompetent]], [[Anime/{{Pokemon}} Team Rocket]] in ''Fanfic/CommonSense'' is presented in this light, being silly, but dangerous and professional when there's a mission.
* Armani Dove, son of [[spoiler: Artemis]], in ''Fanfic/BrokenBow'' is a PopCulturedBadass, incredibly socially awkward, and DeadpanSnarker enough to go toe-to-toe with [[Literature/PercyJacksonAndTheOlympians Percy Jackson]] in SnarkToSnarkCombat. He also has a self-taught PsychicBlockDefense and is a master archer, expert swordsman and hand-to-hand combatant, and has [[spoiler: all the powers of a Hunter, except more so, given his nature as the son of Artemis]].
* ''Fanfic/OldManHenderson'': The eponymous character from a ''TabletopGame/CallOfCthulhu'' session (arguably being played by another BEL). A half-insane habitual drug user with a stuffed parrot permanently affixed to his shoulder who starts investigating the various eldritch cults because he thinks they stole his lawn gnomes, but by campaign's end he [[spoiler: ''kills Hastur'']].
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