Niko: I think... a carpenter's hammer from his dad when he turned 13. His parents were pushing him to become a carpenter and at that point he was drifting away from following that path, and that hammer was the first time he sort of knew that he didn't want to be a carpenter.

Rayze: The scars on his body, the wheezing lung in his chest, and the beer bottle to the face-

Wade: He got a really scary Pokemon Doll when he was like eight. It terrified him for months.