Regis

 is Great Khan living in the Red Rock Canyon in 2281.

Background
Gejdid

Interactions with the player character
Speaking with Regis in the Khan's Red Rock settlement will initiate the quest Oh my Papa.He also does not think the NCR killed all those Great khan women and children on purpose.If you allow to become leader the Great khans he will join the NCR in the battle of hoover dam 2.

Appearances
appears in Fallout: New Vegas.