Someone on another website pointed out that Biden looks like that puppet Walter.
http://www.bing.com/images/search?q=walter+puppet&id=D73B27BB9F541EC48278133794E72DA2E7DDEC48&FORM=IQFRBA#view=detail&id=D73B27BB9F541EC48278133794E72DA2E7DDEC48&selectedIndex=0
Well, duh. Seems I am a little late to the party.