Cupcakes who do not believe in 'god'. They don't refuse to believe, they just find there is evidence. (For the record, They are just as delicious as regular cupcakes, they just don't have similar beliefs.)
"I ate Tom's Atheist Cupcakes and now I don't believe in God."
"Haha, Asshole. That's what you get for eating my FRIENDS! Cupcakes is peoples too!"