The lead singer of the German heavy metal band, Bonfire. He was the only member and the only singer of Bonfire to have appeared on all of the band's albums. Leßmann was also one of the two original members of the band until January 2015, the other being lead guitarist Hans Ziller. Before joining Bonfire in 1978, he was in the bands Ginger and Sunset. He is currently the vocalist for Phantom 5. Phantom 5 has released 2 albums.