Willo the Wisp beech wood in Oxfordshire, near the director's home. Kenneth Williams provided voices for all of the characters. The principal narrator, Willo the Wisp, was a blue, floating creature drawn as a caricature of him, while the name refers to the ghostly light will-o'-the-wisp from folklore. The other main characters were Arthur the caterpillar (as a gruff cockney), Mavis Cruet, a plump, clumsy fairy with an erratic, magic wand, and the principal antagonist, Evil Edna, a witch in the form of a walking, talking television set who could zap people with her aerials. Other characters included Carwash, a snooty bespectacled cat
Characters in The Railway Series Characters in The Railway Series Many characters have appeared in the books of "The Railway Series" by the Rev. Wilbert Awdry and Christopher Awdry, and in the spin-off television series, "Thomas and Friends". Only characters who appear in the books have been profiled in this article and, in the case where a character has appeared in both series, only the book aspect has been addressed. These are the railway locomotives (known universally in the books as 'engines') of the Fat Controller's railway: the North Western Railway (NWR) on the Island of Sodor. Thomas the Tank Engine is an 0-6-0 tank