Who has the world's largest biceps?Gregg Valentino's biceps are so large that they are larger than some people's waist.

Gregg Valentino has been body building since the age of 14, some 30 years now and just keeps growing.

Gregg is only 5' 6" tall, but weighs about 250 pounds, has a 58 inch chest, can bicep curl 300 pounds and can bench press 550 pounds.

Back to his biceps, the world's largest biceps measure in at an amazing 28 inches.