Why rappers use stage names

Stage name: Thugs M’Kinzee
Real name: Marvin Effeminate

Stage name: T-Murderah
Real name: D’arcy Pennington III

Stage name: Dubba Barra
Real name: Andy Snitchstein

Stage name: G. Rolexx
Real name: Gregory Timexx

Stage name: L’il Joose
Real name: Jerry Undercoverfederalagent