Matarazzo's arms, Vince Taylor's chest, Pavol's midsection (although widened); it was suppose to be what it would look like if you combined the best bodyparts into one bodybuilder, just shows that that doesn't necassarily work
I think it's Fux's abs, nasser back, dorian calves, thighs ?.
Maybe it is Fux's abs; I don't see why they would have chosen his though. I guess the guys at Flex just love the huge guts