Claus Leßmann is the lead singer and guitarist of the German heavy metal band Bonfire

Bonfire (band)

Bonfire is a German heavy metal band, founded in Ingolstadt, Germany in 1972. Bonfire has a unique history. Currently there are two bands who have held the name. The original group started out as Cacumen, became Bonfire and ended in 2011 as Charade...

. He is the only member and the only singer of Bonfire to have appeared on all of the band's albums. Leßmann is also one of the only remaining original members of the band, the other being lead guitarist Hans Ziller

Hans Ziller

Hans Ziller is the lead guitarist, backing vocalist and primary composer of the German 1980s melodic hard rock band Bonfire. He founded the band called Cacumen as a teenager in 1972. He has appeared on all of the band's albums, except Knock Out...

. Before joining Bonfire

Bonfire (band)

Bonfire is a German heavy metal band, founded in Ingolstadt, Germany in 1972. Bonfire has a unique history. Currently there are two bands who have held the name. The original group started out as Cacumen, became Bonfire and ended in 2011 as Charade...

 in 1978 he was in the bands Ginger and Sunset.