Brian Joseph Burton (born July 29, 1977), better known by his stage name Danger Mouse, is an American musician, songwriter and producer. He came to prominence in 2004 when he released The Grey Album, which combined vocal performances from Jay-Z's The Black Album with instrumentals from the Beatles' White Album.
He formed Gnarls Barkley with CeeLo Green and produced its albums St. Elsewhere and The Odd Couple. He produced the second Gorillaz album, 2005's Demon Days, as well as Beck's 2008 record Modern Guilt and the album Attack & Release with The Black Keys in 2008. He has been nominated for a Grammy Award in the Producer of the Year category five times, and won the award in 2011. In addition, Burton worked with rapper MF Doom as Danger Doom and released the album The Mouse and the Mask. Danger Mouse most recently produced and co-wrote albums by The Black Keys (El Camino, Turn Blue), Norah Jones (Little Broken Hearts), Electric Guest (Mondo), and Portugal. The Man (Evil Friends).