Mabel Henderson's Mr. Handy

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

Effects of player actions
Mabel Henderson's Mr. Handy can be made to kill her (and attempt to kill the Lone Wanderer) as part of the Tranquility Lane quest by editing its security settings on the terminal in her house. It is otherwise a stationary NPC with no other functions in-game.

Related quests

 * Tranquility Lane

Appearances
Mabel Henderson's Mr. Handy appears only in Fallout 3