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Fanon / Sherlock

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General Fanon

  • The Sherlock Kink Meme has spawned the idea that Anderson has a dinosaur fetish.
  • There's also a great deal of Crossover-y fun involved in figuring out who the "married ones next door" are.
  • Because of Benedict Cumberbatch and Mark Gatiss' real life redheadedness, Sherlock and Mycroft are occasionally "secret gingers".
    • In post-Reichenbach fics, Sherlock sometimes dyes his hair red while he's pretending to be dead.
  • Sherlock's eventual reunion with John post-Reichenbach is normally after three years (as it was in the novels) and John either punches Sherlock, kisses him, or faints (depending on whether or not the person is a shipper and if they've read the originals). As it turns out, it's two years, and John first punches, then headbutts Sherlock.
  • John also seems to have a jam fetish.
    • Upgraded to canon (sort of): a jar labeled "John's Jam" appears on Sherlockology's "Silver Blaze" advent calendar.
  • Lestrade apparently got Sherlock off drugs as a condition for letting him consult.
  • It's commonly accepted that the Holmes family is very, very rich. Many stories involve the "Holmes Estate". However, the story "His Final Vow" shows Mr. and Mrs. Holmes living in a cottage in the country—not exactly a mansion.
    • Along with this goes the notion that the reason Sherlock needed help paying the rent is that before the consulting-detective business became lucrative, his income was from a trust fund which was under Mycroft's control.
  • John's father was either an alcoholic, a soldier, or both.
  • Lestrade has a young daughter.
  • John's leg injury was real, but not from a gunshot. Also he has recurring pain (and sometimes limited mobility) in his injured shoulder.
  • John, as he said in "A Scandal in Belgravia", is "not actually gay" — but neither is he completely inexperienced with men.
  • There's a recurring motif in fanart that John has the RAMC insignia as a tattoo.
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  • For some reason, there seems to be a widespread joke/belief involving John and red underwear. In other words, avoid Tumblr on "Red Pants Monday" if you aren't a shipper. And apparently Martin Freeman knows about it, too.
  • Mummy Holmes is either an Alzheimer's victim or M. Going by her appearances in Seasons 3 and 4, she's definitely not the first.
  • Many fans treated Sebastian Moran as a regular character in the show long before he actually put in an appearance in "The Empty Hearse". Most fans assumed that he'd be a faithful modern update of the character in the books, though Sherlock's Moran (a crooked MP in the House of Lords, who acts as The Man Behind the Man to a terrorist group) turned out to bear very little resemblance to Doyle's Moran (a former Great White Hunter who acts as Moriarty's personal assassin).
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  • John is never seen making tea. Sherlock makes it.
  • Sherlock says that "Mycroft is the British government, when he’s not too busy being the British Secret Service or the CIA on a freelance basis." Fans have taken this to imply that in addition to the British and American intelligence services, he runs basically every intelligence service on the planet. There's no evidence to support this, but then, there's no evidence against it, either...


  • "John, we're out of milk." Explanation: 
  • Also, "John, could you pass me a pen/my phone?" works as well.
    • Either of the two above followed by -SHExplanation .
  • Mycroft is talking to you through Captcha./"Mycroft says..."Explanation 
  • "Rupert Graves is good at football and has five children."Explanation 
  • "I'm not a psychopath, I'm a high-functioning sociopath. Do your research." Explanation 
  • "Oh. God. Yes."Explanation 
  • "Fine. It's...all...fine..."Explanation 
  • "Not my division."
  • Martin Freeman is made of jam, kittens, and RAGE.
    • He's a tiny assassin in a cuddly jumper.
    • Martin Freeman is a hedgehog. Explanation 
  • Certain photos of Moriarty are happening now too, with two of his more expressive faces from The Great Game. The first is an angry face with some kind of violent action as the caption, ex. "I WILL BURN-" and the second is a chill expression with something like "-you a CD of my favourite songs." Known as Misleading Moriarty.
  • "Fuck you, I won a BAFTA"Explanation 
  • "And, honey, you should see me in a crown", or, alternatively, "I will turn you into shoes."
  • Martin Freeman's grape eyes. Explanation 
  • Molly Hooper dated the most dangerous man in Britain. Then dumped his ass.Explanation 

Fan Nickname

  • Not exactly a nickname, but "FUCKING ANDERSON" is pretty popular. (At least until "Many Happy Returns" was released, at which point many fans forgave him.)

Common Fanfic Tropes

Examples should be tropes that show up a lot in fanfic which are not just taken purely from canon:

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