Robodog

Robodog is a cyberdog and companion in Fallout 2.

Background
It's a cyberdog, more specifically "cyberhound Mk II personal security model". Dr. Henry brought it from the Enclave Oil Rig and settled down in the NCR. The Robodog has stayed there with Henry, not fully functional, until it became the companion of the Chosen One.

Interactions with the player character
The Chosen One may acquire this companion in NCR by assisting Dr. Henry in his Mutagenic Serum experiment.

Appearances
Robodog only appears in Fallout 2.