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For an overview of all pages named Rex, see Rex.

Rex is a dog in Little Lamplight in 2277. He can be found wandering aimlessly through the caverns of Little Lamplight.

Interactions with the player characterEdit

Interactions overviewEdit

General Services Quests
Essential: Icon cross
Enslavable: Icon cross
Companion: Icon cross
Bounty: Icon cross
Merchant: Icon cross
Repairman: Icon cross
Doctor: Icon cross
Rents bed/room: Icon cross
Starts quests: Icon cross
Involved in quests: Icon cross


Apparel Weapon Other items On death
- - - Dog meat


  • Rex, along with all the other dogs, will attack the Lone Wanderer if they choose to attack anyone in Little Lamplight.


Rex appears in Fallout 3 within Little Lamplight.

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