As many have pointed out, the guy is not registered to vote. It appears he also is not licensed as a plumber:

http://voices.washingtonpost.com/the-trail/2008/10/16/joe_the_plumber_not_a_licensed.html and does not appear in the phone book for Toledo: http://steveyoungonpolitics.com/say-it-isnt-so-joe-wurzelbacher-not-a-real-plumber/ Lastly, and perhaps most interestingly, the Wurzelbacher family is connected to the Keating 5 Scandal. Coincidence? http://query.nytimes.com/gst/fullpage.html?res=9E0CE6DF173DF935A25756C0A964958260 I don't think so.