Paul DeMayo was nicknamed "Quadzilla" for the size of his quadriceps[2] Born in California, United States and raised in suburban Boston, DeMayo first competed in bodybuilding when he placed 1st in the Teenage Massachusetts State championships His first National Physique Committee (NPC) event was in 1988, where he took 7th place in the NPC Junior USA heavyweight class He took the 1st place in the NPC Nationals Championship event in 1994[2] His only Mr Olympia was in 1995, where he placed 12th DeMayo had been featured in many fitness and magazine articles, including being featured on the cover of Iron Man