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Rey's brain

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Rey's brain
Icon canine brain.png
QuestsNothin' But a Hound Dog
Base ID0013d852

Rey's brain is a miscellaneous item in Fallout: New Vegas.


It is one of three possible replacement brains for Rex in the quest Nothin' but a Hound Dog. If it is used as a brain for Rex, then he will have an increase in attack power.


It can be bought from Old Lady Gibson at Gibson Scrap Yard for 700 caps, less with a skill check (free with a speech check regarding immortality), during the quest, Nothin' But a Hound Dog.

This item can also be gained by simply killing Old Lady Gibson's dog Rey yourself and taking it off of his body.


  • It is possible to obtain two of his brains, but not at the same time. Sometimes Rey can glitch to Helios One, and will become hostile when entering the field of solar panels. This happens if you have a companion (possibly Boone). You can kill him and take his brain to Doc Henry for the transplant, then later, go back to Old Lady Gibson and there will be the option to buy Rey's brain off her for 700 caps.

See also