Sylvia and Malcom are the brother and sister who appear in the YouTuber sketch. After Grex77 brings them back to his shack and they see a camera set-up they suspect he is a pedophile. We find out that Grex77 instead wants to film a reaction video for YouTube, specifically to PewDiePie’s commentary video on Megawog’s video ‘Wogs vs. Aussies 201’ (see Episode 13).