Duff McKagan
Michael Andrew Duff McKagan is an American musician, singer, songwriter and author. He is best known for his twelveyear tenure as the bassist of the hard rock band Guns N Roses, with whom he achieved worldwide success in the late 1980s and early 1990s. McKagan rejoined the band in 2016, following their induction into the Rock and Roll Hall of Fame.
Michael Andrew McKagan grew up in the largely workingclass U District of Seattle, the youngest of eight children born to Alice and Elmer Mac McKagan. He has been called Duff since toddlerhood, to which he once referred as an Irish thing. Following his parents divorce, his mother supported the family by taking a job as a medical stenographer.
Source: Wikipedia