Actually, that's Ralf Hutter of Kraftwerk. And they used that thing on their second album; it made one note, but it was a very influential one.

The Peepzilla marshmallow blobs are Peeps(TM), alright, just a different species.

And Raymond Burr's nickname was reportedly "Bunny," which adds extra Easterosity to the tableau.

Stefan (#4) is right - the ads featured a Postum-pusher known as "Mr. Coffee Nerves," and he looked like some sort of jet-age Snidley Whiplash. He actually did say "Curses, foiled again," too. He's greatly missed.