Haig

 Haig is a Brotherhood of Steel paladin at the Alamo.

Background
A stern man, Haig is a paladin and commander at the Brotherhood of Steel base of operations in the Alamo, Texas. 

Interactions with the player character

 * If the player character sided with Keats in Austin, they will be sent to help fight off the Twisted Hairs assault on the Brotherhood, where Haig will report on the situation and give the player character a good weapon once the attack is over.
 * If the player character sided with Shale in Austin, they will be sent to help the Twisted Hairs invade the Brotherhood compound. Once there, Harpy will charge the player character with getting into the compound and taking out Haig.

Appearances
Haig was going to appear in the canceled Fallout: Brotherhood of Steel 2.