in recreational drug use or have promiscuous sexual behavior, but emphasizing the social discipline involved with personally abstaining from these behaviors. Conversely, his villainous personality tends to be that of one who is hardline or militant straight edge, exemplifying the elitist attitudes and superiority complexes – defined by Punk's common mantra during villainous-themed promos that because he is straight edge, he is "better than you." Punk performs the straight edge symbol of crossing his arms in an X formation while having the letter X written on the back of his hands, usually drawn on his wrist tape. During his WWE career, Punk also incorporated a belligerently anti-establishment and anti-corporate attitude into his persona. Originally, the initials CM in his ring name represented the phrase "Chick Magnet", the name of the tag team he was in as a backyard wrestler. However, Punk later changed CM into a pseudo-acronym, declaring that it has no meaning, though when asked since he has taken to making up meanings that fit the initials, going so far as to make up long stories to explain the origins that do not match the actual origin story at all. Since beginning this practice, Punk has stated CM stands among others for "Cookie Monster", "Crooked Moonsault", "Chuck Mosley", "Charles Montgomery", "Charles Manson", "Charlie Murphy", and "Chicago Made". During his entrance, Punk yells "It's clobberin' time!", a reference to New York City hardcore punk band Sick of It All who wrote a song with the same name and Marvel's fictional character The Thing. As his entrance theme, Punk uses the song "Cult of Personality" by Living Colour, with which he is often associated. An integral part of Punk is the numerous tattoos that adorn his body, some of which have become symbols associated with Punk and mantras and declarations that have been integrated into his gimmick. The tattoos as a whole, due to their large quantity and variety, have also become an attribute identifiable to Punk. The most important of the individual tattoos in Punk's character – whether through association, symbol, or mantra – are the following: A Pepsi Globe logo on his left shoulder that inspired the names of two of his signature moves. It also became a symbol of Punk himself, who wore the logo on his ring gear in the independent circuit as well as a slightly modified Pepsi logo being used as part of his TitanTron