It's been lingering in the back of my mind for a long time now. Could we just replace each of the Seinfeld characters with muppets? I know. I know. You're thinking the show would lose its mundane charm if we turn Jerry, Elaine, and George into puppets. (Kramer is another story.) The muppets are all novelty; they couldn't pull off "nothingness" if they tried. Well, not so fast! Here's a little something of nothing . . .