real McCoy

an authentic thing or person. Of course it's authentic. It's the real McCoy.

Name	Pronounced	Usage
Siofra	SHEEF-rə	Irish
Ballantyne	['bæləntain]
Ansigar	-	Ancient Germanic
Bagrat	-	Armenian, Georgian (Rare)
Akbar	['ækba:]
Crescencia	-	Spanish