He admitted in a commentary video that he doesn't visit the site all that often, but it is a good inspiration for a joke now and then, such as the "How I Met Your Mother" clip in his "O.M.G" review.
Promoted Fanboy: Todd actually started his reviews with the goal of getting a small chance to join TGWTG.
Rule 34—Creator Reactions: Shortly after joining the site, Todd mentioned in an interview for Transmission Awesome (Episode 48) that he was quite looking forward to seeing what kind of depraved fanart and fanfiction involving him might crop up. And in "S&M", Todd mentions that sadomachism itself isn't so weird considering he's seen porn of himself.
Screwed by the Lawyers: Youtube's policies towards Warner Music properties forced Todd to put "Whatcha Say" on Dailymotion rather than YouTube.