No, I'm not quite sure where I got it from. I've said it for years in real life, and I really doubt I made it up.
Well, like I said, I'm saving the CCE thread for that special occasion. As for the others, I don't really put that sort of stuff in my sig, but Mr. Mudkip may, by all means. Have you guys found the clusterfucking thread yet? Oh, and that Brawl banner in my sig actually is a Rick Roll, if you're interested.