Robert John "Robin" Finck (born November 7, 1971) is an American guitarist. Finck is the longest-serving touring musician for Nine Inch Nails, performing with the band from 1994 to 2000, and returning in 2008. With Nine Inch Nails, Finck contributed studio performances on The Slip (2008). Finck also was an official member of Guns N' Roses from 1997 through 2008. With Guns N’ Roses, Finck wrote and recorded on the long-delayed Chinese Democracy (2008), notably co-writing the song "Better". In 2020, Finck was inducted into the Rock and Roll Hall of Fame as a member of Nine Inch Nails. (Guns N' Roses were inducted in 2012, however Finck was not inducted.)