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Billy (trog in-game) is a trog living in the Pitt's steelyard in 2277.

Interactions with the player character

Interactions overview

FO76 Raider Hostile.png
This character is always hostile with the player.

Other interactions

  • Billy is encountered the first time the Lone Wanderer enters the Pitt steelyard. Should one choose not to kill him on their first encounter, Billy is never seen again.
  • His brother John-John can be seen talking to him, trying to tap any human reason still left in Billy. It is soon revealed that Billy, however, has lost all of his ability to reason, and soon, the one-sided conversation deteriorates to John-John running to a locked gate screaming for help. At this point, Billy attacks John-John. John-John will not fight back, and should the player character not intervene, Billy will kill him. He will then end his scripted events and, like any other trog, attack the player character.
  • Should one make a successful sneak attack on Billy, but fail to kill him, he may immediately attack and kill John-John before seeking out the player character.
  • Should the player character kill Billy and save his brother, John-John will walk over to Billy's corpse and cry. He offers no thanks or dialogue options; when conversation is attempted, he only pouts a pitiful "Billy..." and continues to sob.


Apparel Weapon Other items On death
Miscellaneous items


Mentions of how trogs lose the mental capacity to reason, even with loved ones, are seen in Sandra's trog research entry on her research terminal.[1]


Billy appears only in the Fallout 3 add-on The Pitt.