| First Name | Duff |
| Last Name | McKagan |
| Full Name at Birth | Michael Andrew McKagan |
| Other Names | RoseThe king of beers |
| Age | 48 |
| Date of Birth | February 5, 1964 |
| Birthplace | Seattle, Washington, USA |
| Height | 6' 1" (185 cm) |
| Build | Athletic |
| Eye Color | Brown - Dark |
| Hair Color | Blonde |
| Star Sign | Aquarius |
| Religion | Roman Catholic |
| Ethnicity | White |
| Nationality | American |
| High School | Roosevelt High School, Seattle, Washington, USA (dropped out) |
| University | Albers School of Business and Economics, Seattle University, Seattle, Washington, USA |
| Occupation | Musician, Songwriter |
| Occupation Category | Bassist |
| Claim to Fame | Guns N` Roses ex-bassist |
| Father | Elmer McKagan |
| Mother | Alice Marie McKagan |
| Brother(s) | Jon McKaganMark McKaganBruce McKaganMatt McKagan |
| Sister(s) | Carol McKaganJoan SheltonClaudia Christiansen |
| Friends | Michael Monroe |
| Associated People | SlashAxl RoseMatt SorumDave KushnerScott WeilandSteven AdlerIzzy Stradlin |
| Pets | Chester (Dog) |
Michael Andrew "Duff" McKagan (born February 5, 1964) is an American musician and writer. He is best known for his twelve-year tenure as the bassist of the hard rock band Guns N' Roses, with whom he achieved worldwide success in the 1980s and 1990s. He is currently the bassist of the supergroup Velvet Revolver and the lead singer and rhythm guitarist of the hard rock band Loaded. McKagan also writes weekly columns for SeattleWeekly.com and ESPN.com.
Selected Duff McKagan film and TV show credits: