To answer the original question, it is a complete myth, but it was originally reported (surprise surprise) in the Guardian, who were later forced to retract it. http://www.snopes.com/radiotv/tv/pugwash.htm
These names were created in an experiment by the infamous satirist/comedian Victor Lewis-Smith, to see if it was possible to invent an urban myth that would be spread for years to come by the gullible. The experiment was obviously a success!