Ridiculously sculpted muscles don't just happen overnight.
Dwayne "The Rock" Johnson had a pretty demanding exercise regimen to get in godlike shape for his latest film, Hercules. The wrestler-turned-actor stopped by The Tonight Show on Tuesday to let Jimmy Fallon in on his secret: a little-known workout duo known as The Fungo Brothers.
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The hilarious sketches take on the signature exercise styles of 1950s, '80s and '90s. The fictional Fungo Brothers even had their own version of the Shake Weight.
Johnson took a moment to explain his now infamous #tbt Instagram. But, let's be real: Even with the turtleneck and fanny pack, Johnson is still as buff as a demigod.
BONUS: 11 People Who Should Cancel Their Gym Memberships
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