Mcpoyles Sister: __exclusive__

But one McPoyle remains the silent, unsettling crown jewel:

Here’s a tongue-in-cheek, It’s Always Sunny in Philadelphia -style social media post about the (in)famous McPoyle sister. mcpoyles sister

And remember: never leave a glass of milk unattended around her. #ItsAlwaysSunny #McPoyleSister #MargaretMcPoyle #BirdLaw #SunnyFXX #SourMileSquad But one McPoyle remains the silent, unsettling crown