It's obvious that Dwayne Johnson is in great shape—but what about Jimmy Fallon? The Hercules actor stopped by NBC's Tonight Show Tuesday, where he joined the host for some silly exercise skits.

Add Yahoo as a preferred source to see more of our stories on Google. Dwayne Johnson and Jimmy Fallon talked about two of their favorite workout gurus from the 1980s — and somehow the 1950s as well — ...

Johnson chalks up his Hercules physique to the Fungo Brothers workout routine Dwayne "The Rock" Johnson visited Jimmy Fallon on The Tonight Show Tuesday, and the wrestler-turned-action-star revealed ...

Paris Hilton arrives at the BET Awards at the Nokia Theatre on Sunday, June 29, 2014, in Los Angeles. Dwayne "The Rock" Johnson and Jimmy Fallon are "The Fungo Brothers." The "Hercules" actor told the ...

The Rock cooked up a hilarious comedy turn alongside Jimmy Fallon on Tuesday. Dwayne Johnson had “The Tonight Show” audience in hysterics as the pair formed the fictional fitness freak “Fungo Brothers ...

Before he was Hercules, Dwayne “The Rock” Johnson was…a professional wrestler Tad Fungo, a workout king akin to Richard Simmons. On “The Tonight Show,” Johnson and Fallon starred as “The Fungo ...

Dwayne Johnson and Jimmy Fallon talked about two of their favorite workout gurus from the 1980s — and somehow the 1950s as well — on “The Tonight Show.” They offered three “clips” of the Fungo ...