User blog comment:Niksdorfv/TDRR CARTOON NETWORK/@comment-1943341-20150905034412/@comment-11883116-20150905095213

I haven't watched the episode yet, but due to Mughees J. Simpson saying "CALLED IT!!", as well as the episode description, I can tell you "who" has a cameo. If you don't mind spoilers (well, this isn't that much of a spoiler), then search for a recent Mughees' blog.