Lady Duff is Duffman posing as a woman to promote Duff.
Lady Duff wears a short blue dress with two bandoliers, filled with Duff Beer cans, criss crossed over her chest.She also wears white gloves,sunglasses and a red baseball hat with Duff written on it.
Behind the Laughter
Lady Duff is Duffman dressed in women's clothing in a disguise. He uses this alter ego to promote Duff Beer to women. On June 25, 2015, Lady Duff was sold as a costume for Duffman on the Simpsons game Tapped Out