Though bodybuilders may spend hours upon hours pumping iron, downing protein shakes, and practicing their poses in the mirror in pursuit of being the most macho man in town, sometimes these (literally) Herculean efforts can backfire. Case in point? The fitness models' whose shoulders are so big, they look like a little guy shoved into an oversized muscle suit. 

From Tony Atlas to Arnold Schwarzenegger in his prime, here are 22 photos of bodybuilders who look like tiny men in big bodies.