Syd's Knee is a location in Monstro City, it seems to be a huge, cube knee which has band-aids and other
miscellaneous items. Trya Fangs and Roary Scrawl went here for their holiday in 2009. It is assumed to be a parody of Sydney, somewhere in Australia. It was invented by Maxie89, who a contest on deciding where Roary should go on vacation.