Introducing the biggest biceps in the world! The guy's name is Greg Valentino. Building the world's biggest biceps is not an easy task! Greg has been working his huge biceps for over 20 years. Obviously to get the world's biggest biceps Greg has been using alot of steriods. Greg has the world's biggest biceps and biggest arms at over 28 inches! (71cm!)

World's Biggest Biceps

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