John Eccleston is an English puppeteer, writer and presenter known for his work as lead puppeteer of Rygel on Farscape, Groove on The Hoobs and his many roles on British children's television alongside Don Austen. He was also behind the character Gilbert the Alien (voiced by Phil Cornwell) on Get Fresh. He also performed Worth the Dog in the Woolworths adverts (again opposite Don Austen as Wooly The Sheep), Mervin J Minky on MTV's Fur TV and Rattus Rattus on the CBBC Horrible Histories series.