Joe vs Joe

Hearing about poor 'Joe the Plumber' during last nights presidential debate peaked my curiosity. I wondered if the reference to 'Joe' was nothing more than a fabricated way for the candidates to try and connect with average America. After all, Sarah Palin referred to 'Joe Sixpack' during her debate. See the trend?

So I did some poking around on Google and found a picture of, both, 'Joe the Plumber' and 'Joe Sixpack' . Apparently, they do both exist; they're not fictitious or fictional characters created by the political talking heads, my bad...