The phenomenon has become Tumblr's Newton's Law: For every great fandom, there's an equally vocal anti-fandom, bringing it down a peg or three.
If Joss Whedon is king of the nerds, then Steven Moffat is fandom’s evil overlord.
Using the tag letsdrawsherlock, fans have been turning out their artistic interpretations of a Sherlock meme.
Poster artist Christian Petersen soothes the "geek within."
Attention Sherlock fans: Cait’s Crochet Shop has your Christmas all knitted up.
This hiliarious parody account takes pot shots at just about everyone in fandom.