Tony Blackburn

Tony Blackburn was a British disc jockey working in Ibiza in 1997. Blackburn was broadcasting rave music on Radio ACL, from a new club called "The Rapture." (BFA: The Rapture)

A radio the Graak found in the Doctor's TARDIS could briefly pick up a few seconds of Tony Blackburn's broadcast, which happened to be an effective weapon against Autons. (VG: Doctor Who: Destiny of the Doctors)

Behind the scenes
Tony Blackburn is a real-life DJ who portrayed himself, becoming the fourth celebrity ever to do so in a Doctor Who production, and the first to do so for Big Finish Productions.