GreenPoop: Burger King's Halloween Whopper comes with an

Why does Burger King's black burger turn poo green in the U.S. and the U.K., but not Japan?

Burger King Halloween Whopper by JIMENOPOLIX on DeviantArt

Halloween Whopper Causes Green Poop

Burger King Black Bun & Green Poop Couples Halloween Costume Is About To Change The Game — PHOTOS

Burger King Black Bun & Green Poop Couples Halloween Costume Is About To Change The Game — PHOTOS

Why is the Halloween Whopper turning poop green? A Washington Post investigation. - The Washington Post

Burger King Black Halloween Whopper Turns Your Poop Green

Burger King's Halloween Whopper: Crappin' Magic

Customers Claim Burger King's Halloween Whopper Causing Green Poop - CBS Miami

The Truth About The Nightmare King From Burger King

noahglenncarter @bobbymoore44 @andyyjiang

Burger King's black Halloween Whopper is turning people's poop BRIGHT GREEN

I survived Burger King's new Angriest Whopper, and so can you

Why the black Whopper turns your poop green