Scottish actor David Tennant, who was born David John McDonald, choice his stage name as a tribute to Tennant. He was unable to register as a member of Equity as there was another actor using the name David McDonald and the British actors' union requires its members' names to be unique.
An issue I've had is: is it possible to be a pop star without selling
sex? And ultimately I think to have mass selling pop music it is not
possible to do it without selling sex. That's why I think we're not as
successful as I think our music could be.