Corey Taylor
From Tardis Wiki, the free Doctor Who reference
File:Corey Taylor at Allstate Arena 2009 3.jpg
Corey Taylor with his Slipknot mask in 2009
File:Corey Taylor 2011.jpg
Corey Taylor unmasked in 2011
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 bands Slipknot, Stone Sour, and a Doctor Who fan. He was given a tour of the set and agreed to provide his signature roar for the episode.
