In the US:
John or Jane Doe.
UK:
Joe / Fred Bloggs, John Smith.
Austrian
Ghanaian
An agname is an appellation over and above the given name and surname, a supplementary name given to someone.
A baptismal name is a name given to someone at christening or confirmation.
A conductor!
An invigilator.
The deceased.
candlemaker
A card master.
happy
Marine mechanic
An elector.