CM Punk, born Phillip Jack Brooks on October 26, 1978, is an American professional wrestler, mixed martial artist, and actor. He gained fame in the wrestling world through his time in WWE, where he became a multiple-time world champion and was known for his outspoken personality and unique wrestling style. Punk's "pipe bomb" promo in 2011 is particularly famous for breaking the fourth wall and addressing real-life issues in the wrestling industry. After leaving WWE in 2014, CM Punk transitioned to mixed martial arts, signing with UFC. He made his debut in 2016 but faced challenges in the octagon, losing both of his fights. Despite this, Punk remains a significant figure in both wrestling and MMA, known for his dedication to his craft and his influence on modern professional wrestling.