discography no mercy ep ( 1990 ) who is who ep ( 1994 ) horrorscope ( 1998 ) madness ( metal blade , 2001 ) 2000 years at the war ( metal blade , 2002 ) the last millennium ( metal blade , 2002 ) madtropolis ( metal blade , 2003 ) take no prisoners ( armageddon records , 2004 ) members current members udo gerstenmeyer : guitar , keyboard thomas laasch : vocals ( 2000 -- present ) christian schwinn : drums ( 2003 -- present ) roberto palacios : bass ( 2004 -- present ) former members martin obermeyer : vocals ( ?