Lenny Wolf is the frontman for the band Kingdom Come. In addition to being the lead vocalist, he has also played multiple instruments on various Kingdom Come albums. He also collaborated on the song "Eyes of time", from The Final Experiment, the debut album by Arjen Anthony Lucassen's project Ayreon. He was also a member of the bands Germany and Stone Fury. He also recorded tracks with guitarist Blues Saraceno in the Kingdom Come album Hands of Time.