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
Mavis Wilton variety of publications. Hilary Kingsley in her book "Soapbox" discusses Mavis's reticent and moralistic personality as seen in her drinking habits: Mavis drinks fruit juices, but on special occasions sweet sherry: "two for Mavis is one too many" says Kingsley. In a 1983 issue of "New Statesman" magazine, Mavis is described as having a face that is "never quite sure of its own shape". The author describes the storyline featuring Mavis facing the prospect of a trial marriage or losing her boyfriend as an example of the "either-or situations" into which soap opera is "forever ensnaring its characters". An article