High Quality Content by WIKIPEDIA articles! Paul Hartmut Würdig, better known as Sido, is a German rapper whose work is released by Universal. Sido distinguishes himself by using provocative and aggressive lyrics. After his breakthrough with the debut album Maske Sido was often seen wearing a silver skull mask until 2005. Since then he also appears without his mask. The name "Sido" is an abbreviation that is spelled as "super intelligentes Drogenopfer . Sido's career began in 1997 as a member of the underground duo Royal TS, with his best friend B-Tight. They released several demo tapes and later drew attention to the Berlin label Royal Bunker, where they were signed. During a concert the drew the attention of Aggro Berlin founders Specter, Spaiche and Halil who convinced both Sido and B-Tight to sign for them as their first artists in January 2001