you see the maniacal Pyro shooting everything with his flamethrower, thinking he's helping every merc like it's a nursery rhyme due to the goggles in his gas mask showing "Pyroland" (a filter in his goggles showing everything like his flamethrower being a saxophone shooting rainbows, rockets being lollipops, and the other mercs being cherub like creatures) but in reality, he's just burning everyone.

MPPHHH MPH MPH MPH!