Goris

Goris, son of Gruthar, is an intelligent dark gray deathclaw, and a possible companion who resides in Vault 13

Background
Goris is a humanoid figure wearing a long-sleeved, hooded robe. He is a scholar and is curious about the outside world. Goris offers to travel with the Chosen One in order to further his research.

Appearances
Goris appears in Fallout 2 and the Fallout: The Board Game expansion Fallout: New California.

Behind the scenes
Goris was designed by John Deiley and is mentioned in Fallout Bible 5.

Bugs
Under some circumstances, after the deathclaw inhabitants of Vault 13 are killed, a bug will deny recruiting Goris. After recruiting him he will instantly try to return to the Vault, setting up an infinite loop of asking him to join you and him returning. This can be worked around by pressing 0 right after clicking on the conversation option to recruit him. This instantly cancels the script that returns him to the Vault.
 * Another way of fixing the glitch is to ask to recruit him then leave the vault and go somewhere else (NCR as it is the closest) and wait a day or two, then come back to the vault and recruit Goris and this time it should work.