"Joe Bloggs" or "Fred Bloggs" are placeholder names used primarily in the United Kingdom to represent the average man on the street.
The surnames Blogg/Bloggs/Bloke, is believed to have been derived from the East Anglian region of Britain, Norfolk or Suffolk, deriving from bloc, "pale, fair, shining".[1]
In The Princeton Review standardised test preparation courses, "Joe Bloggs" represents the average test-taker, and students are trained to identify the "Joe Bloggs answer", or the choice which seems right but may be misleading on harder questions.[2]
"Joe Bloggs" was a brand name for a clothing range, especially baggy jeans, which was closely associated with the Madchester scene of the 1990s.[3]