Peppa Pig and Doctor Who voice actor David Graham has died at the age of 99. Best known for playing Grandpa Pig and the villainous Daleks, he also lent his voice to the characters Aloysius Parker, Gordon Tracy and Brains in the 1960s series Thunderbirds, its film sequels and a 2015 TV remake. We’re incredibly sad to confirm the passing of the legendary David Graham. The voice Parker, Gordon Tracy ...