Paul Hartmut Wrdig, better known as Sido, is a German rapper. He interprets his artist name as "super-intelligentes Drogenopfer". It used to stand for "Scheie in dein Ohr", a line from his track Terroarr. Sido is currently signed to Urban/Universal Music Group.Wrdig distinguishes himself by using provocative and aggressive lyrics. After his breakthrough with his debut album Maske in 2004, Wrdig was always seen wearing a silver skull mask. However, as stated in various interviews, since 2005 he no longer wears the mask, having handed it to his former boss Specter.Wrdig's career began in 1997, as one half of duo Royal TS with B-Tight, both of whom were later signed to the label Berlin hip hop Royal Bunker and then to Aggro Berlin in 2001. As of 2009 Sido is signed to Universal Music Group.