Apparently the thing has been around for some years already. (Since 5 March 2010 13:49 at least, according to the poll on their Main Page)

EDIT: August 9, 2009, acutally
EDIT 2: The offending uploader is GamingRealm and he committed his crime on 25 October 2010 11:01
EDIT 3: Since he also uploaded the 'Wiki-wordmark' image the same minute, I bet he ripped that from this J2O page. Though I dare say this image originates from the game itself.