The main stage name of the rapper with the birth name of Clifford Harris is "T.I". In earlier life he also had the nicknames "Rubberman" and "T.I.P" from which his stage name is abbreviated.
Rapper Kim Nam-joon's stage name is RM
Her full name is Ariana Grande-Butera. She doesn't have a stage name, so uses her own real name.
The most important quality of a good stage name is that it is easy to pronounce and remember. Under these conditions, Luke Marz would be a good stage name.
Gemma's stage name is "Gemma" itself, as she often performs under her first name. However, if you are referring to a specific artist or character with a different stage name, please provide more context for a more accurate answer.
The Client.
Reg Reg Askew's birth name is Reginald Askew.
Abe Lincoln
Ate Reg's birth name is Mavey Cleofas.
Reg Mombassa's birth name is Christopher O'Doherty.
Reg Sinfield's birth name is Reginald Albert Sinfield.
Reg Turnill's birth name is Reginald George Turnill.
Reg Varney's birth name is Reginald Alfred Varney.
Reg Bream's birth name is Reginald James Bream.
Reg Browne's birth name is Brown, Reginald Thomas.
Reg Bundy's birth name is Reginald Sutherland Bundy.
Reg Presley's birth name is Reginald Maurice Ball.