Cherry

Cherry is a prostitute living at Dukov's Place in the Capital Wasteland. If the player talks to her about Dukov, the player can convince her to follow him/her to Rivet City. If the player does this successfully (Fast travel is adviced), he/she will be given good Karma. She stops on the bridge to rivet city and thanks you.

Cherry can also retrieve Dukov's key for you if you are doing the You Gotta Shoot 'Em in the Head quest.