Mister Holdout

Mr.  is a shady fellow living in Nevada in 2280. His name most likely refers to Holdout Pistols, which are small-caliber guns that are small enough to be easily concealed since selling easily concealed weaponry is his main business.

Interactions with the player character
Mr. Holdout is willing to sell brass knuckles and razors to people looking to get into the Tops casino. Since the guards take all of your weapons, it might be helpful to pack some of his stuff.

Appearances
appears in Fallout: New Vegas.