Patton Oswalt is a comedic sensation for his merciless roasting of celebrities.
The modern-day philosopher and social satirist filled Metropolis with his Just for Laughs show, and proved that he cannot take the Montreal heat.
"Thank God for turning the city up to sauna, I have mushrooms growing in between my fat folds. it's awesome!" cracked Oswalt.
For more highlights from Oswalt and opening act Mike Caplan, check out the video.
