He was ready to quit drinking after winning the Festival, but unfortunately, the prize he received was a lifetime supply of Duff Beer.

Later, they see the mascots of Duff Beer, the Seven Duffs.

However, there have been a few notable cases of individual companies and persons who have used the term "Duff Beer" with varying success.

They also sell Duff Beer not as a beer, but as an energy drink.

Duff Beer is a fictional alcoholic drink shown in the animated television series The Simpsons.

Duff Beer is known to be Homer Simpson's favorite drink and has a mascot known as Duffman.

Duff Beer was not sold at 7-Eleven because the promoters wanted to have "good, responsible fun."

However, a Duff Energy Drink was released in place of the Duff Beer.

He becomes known as Suds McDuff and boosts sales of Duff Beer, making the family's fortunes explode.

Duff Beer, Homer Simpson's favorite.