Udo Dirkschneider (born April 6 1952, Wuppertal, Germany) is a German heavy metal singer who was formerly the vocalist in German heavy metal band Accept. After the demise of Accept in 1987, Dirkschneider formed the band U.D.O.. He consequently paused and restarted his band after reverting to Accept on occasion. Recently, Dirkschneider makes a guest appearance on (Eurovision Song Contest winners) Lordi's 2006 album, The Arockalypse.

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