Robodog

Robodog is a cyberdog and companion in Fallout 2.

Background
A cyberdog or "Cyber-Hound Mk. II, Personal Security Model" that belongs to Dr. Henry. As payment for assisting him with field work for the mutagenic serum as part of a quest, Henry activates the cyberdog for the Chosen One.

Appearances
Robodog appears only in Fallout 2.

Behind the scenes
According to the Fallout Bible, at some point after the destruction of Control station Enclave, Henry attempted to destroy a cyberdog named K-9 who was in Dorothy's care, fearing that too much information about the Enclave could be obtained from it.