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 in which Rowling supposedly confirms outlandish theories regarding the sequence a person such parody, in which CollegeHumor writers Willie Muse and Amir Khan doctored screenshots of Rowling's tweets to suggest she stated Professors Flitwick and Sprout experienced previously been.