 While Duff Beer comes in several varieties, it is revealed on a Duff Brewery tour in "Duffless" that regular Duff, Duff Light, and Duff Dry are the same beer, although Homer and Barney apparently remain oblivious to the fact.A tasting room contains Duff Dark beer and Duff Gummy Beers candy; it also contains several varieties that Barney stated they had not tried yet, including "Raspberry Duff", "Lady Duff" and "Tartar Control Duff".In "A Tree Grows in Springfield", Homer asks for Moe's best beer, so Moe gives him a Duff Adequate.