Nasferatu

I do believe that it's Willard Scott behind the makeup.

Set to the same commercial:

http://www.youtube.com/watch?v=TpheMPSytHA

I suppose there's not much distinction between luring kids down storm drains periodically and being responsible for hundreds of thousands of cases of obesity and heart disease, right? One's fictional?

Two thoughts:

At times like these, who can forget the "Deep Thoughts, by Jack Handey" piece: "To me, clowns aren't funny. In fact, they're kinda scary. I've wondered where this started, and I think it goes back to the time I went to the circus and a clown killed my dad."

Neither Pennywise nor Tray-head Ronald comes close to Pogo:

http://crimesceneforum.com/images/pogo.jpg