Ferréz
 Ferréz (Reginaldo Ferreira da Silva) (Born 1975) is a Brazilian author rapper cultural critic and activist from the Zona Sul (southern zone) favela of Capão Redondo in São Paulo Brazil. He is a member and leader of the literary group Literatura Marginal (Marginal Literature) that emerged during the late 1990s and early 2000s (decade) from the urban periphery of São Paulo.