Corey Taylor

 provided the roar for both the Fisher King and the Twelfth Doctor's hologram ghost in the Doctor Who episode Before the Flood.

He is the lead singer of the heavy metal band Slipknot and a Doctor Who fan. He was given a tour of the set and agreed to provide his signature roar for the episode.

External link

 * Corey Taylor on Twitter

Corey Taylor

Corey Taylor