Tomasso Marra (Tommyknocker) was born in Italy on january the 20th 1977. Tommyknocker starts his career in 1994 when he begins performing in some 'illegal' parties which are organized in Rome. From '95 to '97 he collaborates with the “Virus staff” of Freddy K, and he is Resident Dj of a few discotheques like "06" and after "Oxygen" (the first hardcore club of Rome). He even takes part to a radio show called "Hardcore Play" where he works as director together with Freddy. From '97 to '99 he plays in the biggest hardcore parties of Rome.