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
Edna Mode her ahead of Mr. Incredible (24th), Violet Parr (20th) and Elastigirl (14th). Contributor Scott Tobias wrote that the character "stops the action cold just to have a sequence about appropriate action-wear for the specially abled, culminating in a brilliant screed on the impracticality of capes." Unranked, Q13 Fox called Edna one of Pixar's "Pixar’s 15 best characters". Including Edna among the studio's 20 best characters, Victoria Robertson of Screen Rant cited her as "proof of how important even the most minor characters in a film can be." "GamesRadar+" included Edna among Pixar's "50 Greatest Pixar Characters Of All Time", with