Personally, I like D-II of all the suggestions trotted out, although putting any kind of qualifier in front of Midget seems to upset one camp, and calling those guys anything with Midget in the name at all tweeks another.
There is one compound name already out there that sort of makes all this fuss a little funny; it's a Motorcycle-powered car, but it has a shaft drive; where the heck does THAT fit into the argument? The name; Kenyon Midget. If it's good enough for Mel...