Rob McElhenney and David Hornsby nude in Mythic Quest 4-03 'Breakthrough"

Rob McElhenney in Mythic Quest 4-02 "1000%"

Rob McElhenney in Mythic Quest 3-05 "Playpen"

Rob McElhenney in Lost 3-07 "Not In Portland"

Rob McElhenney in The Mindy Project 3-01 "We're a Couple Now, Haters!"

Rob McElhenney in Mythic Quest 2-03 "#YumYum"

Rob McElhenney shirtless in Mythic Quest 2-01 "Episode #2.1"

Dan Reynolds and Rob McElhenney shirtless in Follow You music video

Rob McElhenney and Glenn Howerton shirtless in It's Always Sunny In Philadelphia 14-07 "The Gang Solves Global Warming"

Rob McElhenney shirtless in It's Always Sunny In Philadelphia 13-10 "Mac Finds His Pride"

Danny DeVito nude in It's Always Sunny In Philadelphia 13-07 "The Gang Makes A Clip Show"

Rob McElhenney shirtless in It's Always Sunny In Philadelphia 13-01 "The Gang Makes Paddy's Great Again"

Danny DeVito shirtless and Rob McElhenney in It's Always Sunny In Philadelphia 12-02 "The Gang Goes To A Water Park"

Rob McElhenney, Charlie Day and Glenn Howerton in It's Always Sunny In Philadelphia 11-09 "The Gang Goes to Hell"

Rob McElhenney in It's Always Sunny In Philadelphia 11-08 "Charlie Catches a Leprechaun"

Rob McElhenney nude in Mythic Quest 1-10 "Quarantine Special"

Rob McElhenney in It's Always Sunny In Philadelphia 10-06 "The Gang Misses the Boat"

Rob McElhenney in Mythic Quest 1-06 "Non-Player Character"

Rob McElhenney and Glenn Howerton shirtless in It's Always Sunny In Philadelphia 9-09 "The Gang Makes Lethal Weapon 6"

Justin Lopez and TJ Hoban shirtless in It's Always Sunny In Philadelphia 9-06 "The Gang Saves the Day"