Johnny Rotten, born John Lydon, is an English singer and songwriter best known as the lead vocalist of the punk rock band Sex Pistols. With his sneering vocals and rebellious attitude, Rotten became an iconic figure in the punk movement, challenging social norms and pushing the boundaries of music and performance. After the Sex Pistols disbanded, Rotten formed the post-punk band Public Image Ltd (PiL), which explored more experimental and avant-garde sounds. Rotten's outspoken personality and provocative statements have made him a controversial figure, but his influence on music and culture remains undeniable.