Kraftklub is a German indie rock band founded at the end of 2009 in Chemnitz and released their first EP entitled Adonis Maximus on 13 February 2010. Two of them are siblings, Felix and Till. The band members: Vocals: Felix Brummer, Guitar/Vocals: Karl Schumann, Guitar: Steffen Israel, Bass: Till Brummer, Drums: Max Marschk.