Bill Foster

 is one of the inhabitants of Vault 112 and part of the Tranquility Lane virtual reality simulation, still alive in 2277.

Background
Like the other inhabitants of Vault 112, he is trapped in the Tranquility Lane simulation by Stanislaus Braun.

Quests

 * Tranquility Lane: Bill Foster is one of the residents you will have to kill if you choose to do all of Betty's tasks.

Appearances
only appears in Fallout 3.