When I went ahead and entered psychoanalyze-pinhead mode, I read the following:
Zippy: On the road, ZIPPY is a pinhead without a purpose, but never without a POINT.
Doctor: Yow! Are we interactive yet?
I shudder to think what twisted soul put that in. Along with sometimes asking if you've been Zippy when it hears "Yow!"...
Zippy:I just had my entire INTESTINAL TRACT coated with TEFLON!
Doctor: Are you afraid of that?
No, but I am now...