Knick Knack

Knick Knack (born 2263) runs the general store in Little Lamplight 2277.

Background
His name was originally Nick (or Nicholas) and he eventually changed his name to Knick Knack to reflect his habit of collecting odds and ends (knick-knacks). He's the twin brother of Knock Knock, the joke teller.

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

Interactions with the player character
Knick Knack sells a variety of his goods in his store, most notably the Schematics - Bottlecap Mine.

If you have the Child at Heart perk, he will give you a discount.

Knick Knack is an essential NPC.

Appearances
Knick Knack appears only in Fallout 3