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,

David Graham, the British actor who voiced characters on TV series including "Doctor Who," "Thunderbirds" and "Peppa Pig," has died at age 99, according to Gerry Anderson, the creator of the "Thunderbirds" franchise.

The man behind one of the world’s most familiar voices has died aged 99. In a long career, British actor David Graham provided the voices for characters in TV series including Peppa Pig, Thunderbirds and Doctor Who. For today’s generation of children, his voice will be instantly familiar as that of Grandpa Pig, in the Peppa Pig series.

David Graham, who has died age 99, gave voice to the endearing butler-chauffeur Aloysius “Nosey” Parker in Thunderbirds, the terrifying Daleks of Doctor Who and the adorable Grandpa Pig in Peppa Pig;