So you're saying his appearance is natural.
Well I think he's juiced.. but his neanderthal like head and facial appearance is probably just natural. Would need to see pics of him right around puberty to see if there is a dramatic difference. He reminds me a little like Dexter, but bigger and more apelike, and with sausages for fingers. Usually natural acromegalia results in great height, and Denis is not tall so it might not be a natural GH thing, Just high test levels as a youth. A thick head and heavy brow are signs of early exposure to testosterone around puberty.
Who's that French soccer player with long hair that looks like a hunter gatherer circa 150,000BC?
EDIT: Sebastien Chabal

Then there's this guy, who is a giant and clearly has acromegalia
