For Pukallus there are 9 on Yasni with different names.
Among the most common last names on Yasni Pukallus is on position 4518.
I was told "Pukall" derived from "hump" starting and I'm from East / West Prussia. The "us" at the end was a "Latainisierung", people who can read and write was / were made, have appended to the original name.
(Sent from: Wilfried Pukallus)