J.K. Simmons stunned the Internet when his trainer posted photos of the actor's massive biceps, which he says is part of his healthy lifestyle Julie Mazziotta is the Senior Sports Editor at PEOPLE ...

Jonathan Kimble Simmons has built a decades-long career on ... Well, that would be a viral gym photo from 2016, in which a bearded, 61-year-old JK can be seen curling two dumbbells, biceps bulging.

Before J.K. Simmons gave an Oscar-winning role in Damien Chazelle's 'Whiplash,' he was just as terrifying in the original short.