A long time ago, Vince Neil pleaded guilty to a vehicular manslaughter charge that put him in jail for 6 years all while he was actively using heroin. Since then Neil has cleaned up his act, and he still performs in a modern iteration of Mötley Crüe. His unique sound and inhuman energy held him at the top for decades, and he has yet to step down.
Gene Simmons
Despite his contriversial political ideologies that put him under scrutiny recently, Gene Simmons is one of the greatest rock legends in history.