
Rob McElhenney Wanted the Rest of the ‘It’s Always Sunny in Philadelphia’ Cast to Cultivate Mass With Him During the ‘Fat Mac’ Arc

If Rob McElhenney had his way, Ronald “Mac” McDonald wouldn’t have been the only supersized member of the Gang.
Back in 2011, McElhenney began one of the most remarkable, lauded and entirely unnecessary physical transformations in the history of sitcoms during the off-season between It’s Always Sunny in Philadelphia Seasons Six and Seven. Over a period of three months, McElhenney amassed roughly 60 pounds of body fat on a steady diet of Krispy Kreme donuts and melted ice cream, thus launching the “Fat Mac” arc that would only be matched in terms of outrageous reshaping by the “Jacked Mac” storyline that came many seasons later. McElhenney’s sheer commitment to a simple, stupid but entirely hilarious bit paid off with one of the best-ever seasons of Always Sunny and, therefore, one of the greatest years for sitcoms in human history.
But as McElhenney explained to fellow TV comedy giant Nick Kroll...
Back in 2011, McElhenney began one of the most remarkable, lauded and entirely unnecessary physical transformations in the history of sitcoms during the off-season between It’s Always Sunny in Philadelphia Seasons Six and Seven. Over a period of three months, McElhenney amassed roughly 60 pounds of body fat on a steady diet of Krispy Kreme donuts and melted ice cream, thus launching the “Fat Mac” arc that would only be matched in terms of outrageous reshaping by the “Jacked Mac” storyline that came many seasons later. McElhenney’s sheer commitment to a simple, stupid but entirely hilarious bit paid off with one of the best-ever seasons of Always Sunny and, therefore, one of the greatest years for sitcoms in human history.
But as McElhenney explained to fellow TV comedy giant Nick Kroll...
- 4/9/2025
- Cracked
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