Well it's about time. Since Krusty the Klown came out with his superfluous nipple, it seems only fair that another cartoon personality do the same.
Ladies and Gentlemen, may I present Family Guy regular Meg Griffin's third nipple:
Okay, we'll have to take The Count's word for it, since we don't get to see for ourselves, but if there's one person I trust to count accurately, it's him.
As of May, 2015, that link is no longer working. Here it is again: