Rarely do fictional products share the same level of popularity as their real-world counterparts, but The Simpsons’ most celebrated suds became so popular over the years that we can now drink Duff ...

Recently, Guns N' Roses bass player Duff McKagan reiterated his belief that the writers of The Simpsons used his name as inspiration for the Duff beer on the animated series. But The Simpsons writer ...