Wilfred "Wilf" Mott is a recurring fictional character in the British science fiction television series Doctor Who, played by Bernard Cribbins. He is the grandfather of the Tenth Doctor's companion Donna Noble, and father of her mother, Sylvia Noble. As companion to the Doctor, an alien Time Lord from the planet Gallifrey, Donna travelled through space and time in the show's 2008 series, having numerous adventures. A believer in extraterrestrial life himself, Wilfred was proud of his granddaughter's adventures and helped to keep them a secret from her overbearing mother. He later became the Tenth Doctor's final companion in "The End of Time".