While the rest of the world (or at least my tiny subset thereof) appears to be blown away by the Seinfeld-Superman thing I was merely amused. (Since it’s actually a commercial I won’t link to it.) One problem is that my geekiness was aroused because this really isn’t Superman but more like The Tick. You could look at it from a Barthesian view that characters are bundles of traits and then by extension to be the same character, to have that continuity, there has to be a substantial number of shared traits in two different bundles. The piece would have worked just as well if it was Mr. Majestic (just as he filled in for Superman in recent comics) or Thor or whoever. Image this “Superman” in one of the comics and it’s immediately apparent that everybody else in the story would see through the clumsy disguise.