He's big. He's strong. Some people just gotta be the biggest mutha around. If this sounds good to you, then the Shithouse is the variant for you. Genetic code is stimulated to increase muscle and bone growth to allow greater strength and indurance. Ask any bodybuilder, though, and he'll tell you it's not all physical, it's mental as well. That's why some limited psionics are included in the package to assisst in pressing MassTrans buses.