Graham also had an earlier career participation in the long-running *Doctor Who* series by lending his voice to a notably frightening Daleks, one of the iconic show villains. He originated the chilling sound of Dalek's voice in a distinct style of staccato language modified by synthesizer for its eerie effect,

Voice actor David Graham, best known for his roles in Peppa Pig and Thunderbirds, has passed away at the age of 99. The official account for Gerry Anderson, the late creator of Thunderbirds, where Graham voiced numerous characters,