Jack LaLanne. The Good Lord Above has taken his wonderful body back, after 96 years of trying to talk us into get in shape.
“People thought I was a charlatan and a nut,” he remembered. “The doctors were against me — they said that working out with weights would give people heart attacks and they would lose their sex drive.”Lots more Jack LaLanne video here. Here's one you probably don't need. And here he is with his dog Happy ("Right in the mouth with the foot he's putting"):