Knick Knack

Nicholas "Knick Knack" runs the souvenir shop in Little Lamplight

Background
The brother of Knock Knock, Knick Knack's name was originally Nick, but he became known as Knick Knack due to his habit of collecting odds and ends (knick-knacks).

Daily schedule
He is in his store behind the counter until night when he is in his bed.

Appearances
Knick Knack appears only in Fallout 3 and is mentioned in Fallout 4.