Joe Public

Proper noun

 * 1)  A hypothetical average or generic member of the public; the common man (or person, by extension).
 * Quoting Joe Public proved a dangerous game in the 2008 US presidential elections after he was personified in Joe 'the' Plumber, an actual plumber without previous media exposure.

Translations

 * Dutch: Jan Modaal, Jan met de pet
 * Finnish:
 * French:
 * Italian: Pinco Pallino
 * Swedish: