Bilbos Pizza in Kalamazoo brews Duff beer. Looking at picture of Barney, I'd say this is a quaffer, yet mildly sophisticated. The drawing looks a little darker than BMC, though. I remember when Homer asked for something different and Moe put two dots over the U and said it was (pronounced) Doof because it was foreign.
"I enjoy a pint of beer each night for its health benefits. The other pints are for my witty comebacks and flawless dance moves." -unknown
Primary: Strawberry Schwarzcake, El Hefe, Pulque, Apple Pie Hard Cider
Kegged: Simcoe IPA, RyePA, Harvest Ale