Throughout his career, Punk has consistently used the gimmick of being an outspoken, sharp-tongued, and straight edge iconoclast.
Punk's straight edge principles when in character are based on his actual way of life out of character.
There, he was the first head trainer of the ROH wrestling school.
Also while competing in ROH, Punk won both the company's championships.
He is the fifth longest-reigning champion in the title's history, after Bruno Sammartino & Bob Backlund (who had over 2000) and Hulk Hogan & Pedro Morales (who had over 1000).
Punk's reign is the longest during the time it was called 'WWE Championship' while Hogan's is the longest during the time it was called 'WWF Championship' (narrowly eclipsing Backlund's second reign).
Sammartino's reign occurred when it was called 'NWA Championship' and his second reign made him the longest-reigning in the 'WWWF Championship' as well (narrowly eclipsing Morales).
In professional wrestling, Punk is a seven-time World Champion, having held the ROH World Championship and ECW Championship once each, WWE's World Heavyweight Championship three times, and the WWE Championship twice.Depending on Punk's alignment as a fan favorite or villain, he has emphasized different aspects of the culture to arouse the desired audience reaction.Following his retirement from professional wrestling, Punk had signed with a deal with Ultimate Fighting Championship (UFC) and began to pursue a career in mixed martial arts.In 2005, Punk signed a contract with WWE and was sent to its developmental promotion, Ohio Valley Wrestling (OVW), where he won every championship available in that promotion.On June 24, 2006, Punk made his WWE television debut, performing in ECW, which was then a branch of WWE.During Punk's time in IWA: Mid-South, he had high profile feuds with Colt Cabana and Chris Hero while also rising to the top of the roster winning the IWA Mid-South Light Heavyweight Championship twice and the IWA Mid-South Heavyweight Championship on five separate occasions, beating stars like A. Styles, Cabana and even Eddie Guerrero for that Championship.