Rowling's propensity to make statements about the series' canon after the publication of Deathly Hallows-most notably, Dumbledore's sexuality-have led to internet memes during which Rowling supposedly confirms outlandish theories relating to the series; one such parody, wherein CollegeHumor writers Willie Muse and Amir Khan doctored screenshots of Rowling's tweets to imply she acknowledged Professors Flitwick and Sprout had beforehand been in a.