McDuff (also spelled Macduff) is a surname. It is the Anglicized form of the Scottish Gaelic name Mac Dhuibh (Mac = son, Dhuibh = dark/black). Notable people with the surname include: Caleb McDuff (born 2008), Welsh deaf racing driver David McDuff (born 1945), Scottish literary translator Dusa McDuff (born 1945), English mathematician Jack McDuff (1926–2001), American jazz musician Kenneth McDuff (1946–1998), American serial killer Fictional characters: McDuff, the Talking Dog, a children's television character Suds McDuff, another name for The Simpsons''' dog Santa's Little Helper Father Cyril McDuff, a priest in the television series Father Ted'' See also McDuff, a neighbourhood in East Wemyss, Fife, Scotland Gritty McDuff's Brewing Company, a brewery in Maine, USA McDuff Electronics, a defunct subsidiary of Tandy Corporation Macduff (disambiguation) Clan MacDuff Duff (disambiguation) Duff (surname) Dove (surname) Surnames of Scottish origin Anglicised Scottish Gaelic-language surnames