Original: Robert Fitzgerald Diggs , better known by his stage name RZA or The RZA ( ; born July 5 , 1969 ) , is an American Grammy-winning music producer , multi-instrumentalist , author , rapper , and occasional actor , director , and screenwriter . A prominent figure in hip hop music , he is the de facto leader of the Wu-Tang Clan .
Simplified: Robert Diggs ( born July 5 , 1969 ) was an American rapper , produced and members Wu-Tang Clan better known by his stage name , RZA .