<p>Greg Smith, the disaffected Goldman Sachs executive who quit Wednesday in a very public huff, brought the world at large the term "muppets," Street lingo for dunces (in this case clients of the bank) rather than the furry stars of the big and little screens.</p><p>We took the opportunity to look at the show-biz Muppets, and how they might fit in to the saga of Goldman Sachs. The quotes, by the way, are real, assembled from various Muppets movies and TV shows.</p>