Mr. New Vegas

 is the DJ of Radio New Vegas in 2281. He does not appear in the game except as a disembodied voice on the radio.

Background
It was revealed in interviews with developers and with Wayne Newton that Mr. New Vegas is an AI, programmed by Mr. House centuries earlier.

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".