* The First Name Yonatan is not common in the US and if it exists, the shared population is less than 1,000.
* The Last Name Zunger is not common in the US and if it exists, the shared population is less than 300.
* The First_Name + Last_Name Yonatan Zunger is not common in the US, with a shared population of around 0 - 10 individuals.
* The First_Name + Last_Initial Yonatan Z is not common in the US, with a shared population of around 0 - 10 individuals.
* The First_Initial + Last_Name Y Zunger is not common in the US, with a shared population of around 0 - 10 individuals.
Note: For populations of less than 1,000 the margin of error increases significantly.
(Side note - to the best of my knowledge, the set of people in the US who share the name Zunger are all my immediate relatives, and number under a dozen.)
