Marcel Schirmer, born on 22 December 1966, is a German heavy metal musician. Commonly known as Schmier, he is a founding member of the thrash metal band Destruction, where he is the lead vocalist and bass player. He left Destruction in 1989 to form Headhunter and reunited with them in 1999. Schmier owned a pizzeria named Barracuda in Istein, but sold it in 2006. He lives in Freiburg im Breisgau.
Schmier plays a custom made Dean V bass and uses for amplification Trace Elliot Bass Amp 450W, Sans Amp, and Boss Noisegate effects. His speakers are Ampeg 8x10 Classic.