Better think twice before you sneak a pat of butter on that toast, vegan. They’ll getcha.
In Scott Pilgrim, the Vegan Police are a group charged with keeping vegans who have been granted special powers in line. If a vegan is caught eating non-vegan food, they can make use of the “Deveganizing Ray” which will strip a powered vegan of all known abilities. The two who come to Scott’s rescue resemble Buddha and a hippie.