Paulie is an NPC (child) in Divinity: Original Sin 2 (DOS2)
You find him at the Lower Deck of The Hold, next to Lohse.
A kid wearing a source collar. Playing with a couple of other kids, Trice and Sandy, on the Lower Deck.
Later you encounter this child again at the Lifeboat on the Main Deck.
I said I'm being good! I am!