Wyncko
Wyncko comes near to a non excisting name. How to proof? Take infinite names and you find only 1.
Person1: 'my astronomy friend is named Wyncko!'
Person2: 'what?!! Thats nearly impossible? Can you prove?'
Person1:'yes'
Person2: 'what?!! Thats nearly impossible? Can you prove?'
Person1:'yes'