The son of the late Crocodile Hunter, who stripped to his skivvies for a new Bonds underwear campaign, says his dad would have a laugh at the 'Made for Down Under ads.

As the son of the late Crocodile Hunter Steve Irwin, Robert has carried on his father's legacy for years alongside his mother, Terri Irwin, and his sister, Bindi, at Australia Zoo. And I seriously mean he's carried the legacy for years. Robert's been doing this gig since he was a tiny kid.

Robert Irwin, son of late 'Crocodile Hunter' Steve Irwin, is stripping down to his underwear for a new clothing campaign. At 21, he isn't a kid anymore.