When he was a teenager he beat up some bullies with a lunchbox full of rocks. [citation needed]
In the book The Dirt, Mötley Crüe manager Tom Zutaut remembers freak occurrences at Sixx's apartment during the writing of Shout at the Devil. Sixx, searching for inspiration, came across Satanic literature. His defacto girl friend of the time Lita Ford said to Zutaut "Cabinet doors kept opening and shutting, there are weird noises, and things keep flying around the apartment for no reason". Zutaut later continues "When I returned two nights later, there were forks and knives sticking out of the walls and ceiling, and Nikki and Lita looked much paler and sicker than usual. Zutaut later confesses that during his disturbing visit, a fork flew straight into the ceiling.
Often has "Fuck", "Fucker", "Fuck off" and "Fuck You" written on some of his on-stage clothing.
Has the word 'SIXX' and the number '1958' tattooed on his knuckles.
An incident on the same tour as above involved Ozzy snorting a trail of ants through a straw like cocaine, he and Sixx urinating on a sidewalk and Ozzy's amusement in drinking both men's urine. (As reported in The Dirt.)
He had his name legally changed from Frank Carlton to Nikki Sixx
He named his onstage personality Sikki Nixx.
Nikki is the reason that Brides of Destruction turned down a tour to open for Kiss and Poison. His reasoning was that he didn't want the Brides to be involved with anything Poison was doing, since he believes Poison ripped off real glam metal turning it into pop music. Ironically, Vince Neil has toured with his solo band as an opener for Poison.
Before changing his name to Nikki Sixx, he was actually going to be called Nikki Nine but was told that it was too punk rock. The name Nikki Sixx actually comes from a man named Nikki Syxx who played in a band that one of Nikki's friends was in. According to Sixx the last time he saw the man, he was a born-again Christian on TV, lashing Sixx as 'the devil' during the "Girls" tour in his hotel room. The man also claimed Sixx stole his name, and used it for the devil.
His favorite album is Sheer Heart Attack by Queen, his favorite song is "Dream On" by Aerosmith, and his favorite film is Time Bandits (LA Times' West Magazine, 24th September 2006)
Nikki's nickname is Sixxdawg.
Once when he was brushing his teeth as a child, his mother's boyfriend (Who was in Frank Sinatras band) punched him in the head because he wasn't doing it as he had taught him.
In its continuing effort to shed its stodgy image, the New York Stock Exchange invited Mötley Crüe to ring the closing bell on Wednesday March 2, 2005. Nikki Sixx wanted a souvenir; as they left the podium, he picked up the gavel and slipped it into his pocket.
Nikki played bass on the song "Into The Black" from Butch Walker's solo debut album, Left of Self-Centered.
Was a co-writer on Lita Ford's song Falling In and Out of Love, the song was written after the two broke up, the song can be found on Lita's self titled album.
He once referred to Jack Daniels as "mothers milk".
Sixx co-wrote the Marion Raven song "Heads Will Roll."
