Lou Ferrigno's good looks are incredible!
Here's the then 29-year-old "Incredible Hulk" actor in a promo photo back in 1980 (left) -- and 33 years later the now 61-year-old muscle man at a convention earlier this year (right).
Good Genes or Good Docs?
8/18/2013 12:42 AM PDT BY TMZ STAFF
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