Mr. New Vegas

 is an AI, programmed by Mr. House centuries earlier to be the DJ of Radio New Vegas, a job he still performs in 2281. He "appears" in the game only as a disembodied voice on the radio.

Interactions with the player character
Mr. New Vegas plays music and reads news, most commonly detailing the Courier's deeds. He has a similar role to Three Dog from Fallout 3.

Appearances
appears in Fallout: New Vegas.

Behind the scenes
Mr. New Vegas is voiced by real-life Vegas-based star Wayne Newton, also known as "Mr. Las Vegas".