| First Name | Nikki |
| Last Name | Sixx |
| Full Name at Birth | Frank Carlton Serafino Feranna Jr. |
| Age | 53 |
| Date of Birth | December 11, 1958 |
| Birthplace | San Jose, California |
| Height | 6' 1" (185 cm) |
| Build | Average |
| Eye Color | Green |
| Hair Color | Black |
| Star Sign | Sagittarius |
| Ethnicity | White |
| Nationality | American |
| High School | Roosevelt High School, Seattle, Washington, USA (attended) |
| Occupation | Musician, Songwriter, Author, Photographer, Radio Personality |
| Occupation Category | Bassist |
| Claim to Fame | Bassist Of Mötley Crüe and Sixx A.M. |
| Official Website | twitter.comsixxsense.comnikkisixx.tvmyspace.comnikkisixx.comnikki-sixx.comnsixxfoto.tumblr.comlast.fm |
| Father | Frank Feranna Sr. |
| Mother | Deana Haight |
| Brother(s) | Randy Feranna (half-brother) |
| Sister(s) | Lisa FerannaCeci Comer (half-sister) |
| Other Family Members | Tom Reese (grandfather)Nona Reese (grandmother)Gunner Sixx (son)Storm Sixx (daughter)Decker Sixx (son)Frankie-Jean Sixx (daughter) |
| Friends | Robbin Crosby, Slash, Michael Monroe, Andy McCoy, Rick Nielsen, Riki Rachtman, Tracii Guns, Randy Castillo, John Corabi, Steven Tyler |
| Associated People | Tommy LeeVince NeilMick MarsDJ AshbaJames MichaelKelly Gray (they have together an own clothing brand named Royal Underground) |
| Favorite Movies | Time Bandits [1981] |
| Favorite TV Shows | Sons of Anarchy |
| Favorite Bands | The Rolling StonesNew York DollsAerosmith |
| Favorite Songs | Dream On (Aerosmith) [1973] |
| Favorite Books | The Artist's Way (Julia Cameron) |
| Favorite Accessories | Black Leather Converse Chucks |
Nikki Sixx (born Frank Carlton Serafino Feranna, Jr. (born December 11, 1958) is an American musician, songwriter, author, fashion designer, radio host, and photographer, best known as the co-founder and bassist of the band Mötley Crüe. Prior to forming Mötley Crüe, Sixx was a member of Sister before going on to form London with his Sister band mate Lizzie Grey. In 2000 he formed side project group 58 with Dave Darling, Steve Gibb and Bucket Baker issuing one album, titled Diet for a New America, the same year while 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. features songwriter and producer and vocalist James Michael and guitarist DJ Ashba.
Selected Nikki Sixx film and TV show credits: