Rex (Fallout: New Vegas)

Rex is a 209 year old cyberdog living in Freeside in 2281. He is owned by the King. He doesn't like hats, or people who wear them.

Interactions with the player character
Rex can become your companion. While he is your companion you will get the perk Search and Mark. With this perk unequipped chems, firearms, and ammunition within a short distance are highlighted when you zoom in.

Appearances
Rex appears in Fallout: New Vegas.