No one actually knows where the Jeep name came from. Some say it’s a slurring of the Ford GPW’s name (an internal code that doesn’t stand for general purpose, incidentally), others say that it came from Popeye’s magical four-dimensional dog, Eugene the Jeep, popular in the Thirties. Various 4WD military vehicles were called ‘jeeps’ during WW2, not just the Willys design...