Nikki Sixx (born Frank Carlton Serafino Feranna Jr.; December 11, 1958) is an American musician, songwriter, record producer, and radio personality, best known as the co-founder, bassist, primary songwriter, and only constant member of the heavy metal band Mötley Crüe. Prior to forming Mötley Crüe, Sixx was a member of Sister before going on to form London with his Sister bandmate Lizzie Grey. In 2000, he formed side project group 58 with Dave Darling, Steve Gibb and Bucket Baker, issuing one album, Diet for a New America. Also in 2002, he formed the hard rock supergroup Brides of Destruction with L.A. Guns guitarist Tracii Guns. Formed in 2006, initially to record an audio accompaniment to Sixx's autobiography The Heroin Diaries: A Year in the Life of a Shattered Rock Star, his side band Sixx:A.M. featured songwriter, producer, and vocalist James Michael and guitarist DJ Ashba.
Sixx has also worked as a songwriter and/or producer for a number of artists and groups, such as Sex Pistols' guitarist Steve Jones, Lita Ford, Alice Cooper, Meat Loaf, Marion Raven, Drowning Pool, Saliva, and The Last Vegas, among others.
Sixx launched the clothing line "Royal Underground" in 2006 with Kelly Gray, formerly the co-president and house model of St. John. Initially the label concentrated on men's clothing before expanding into women's apparel. In 2010, Premiere Radio Networks launched the nationally syndicated rock/alternative music radio programs Sixx Sense and The Side Show Countdown, both of which were based in Dallas, Texas and hosted by Sixx and Jenn Marino.
