Harris

 is a bartender in the Pitt in 2277. He can be found in the Downtown area after completing the battle in The Hole.

Effects of player actions
Harris is the Pitt's equivalent of Doc Hoff. He sells food, booze, and chems to any soldier of the Pitt with half a cap to their name, including you, after finishing Unsafe Working Conditions.

Behind the scenes

 * Harris' name may be a reference to a popular Shadyside restaurant, The Harris Grill, especially since he appears in front of graffiti that says "Bar and Grill."(confirmed by Bethesda Softworks).

Appearances
appears only in the Fallout 3 add-on The Pitt.