Blanky is an electric security blanket but is insecure without its owner, the bright Lampy is mentally dim, Kirby is supposed to hold everything inside but has a nervous breakdown, Toaster is warm and reflective so can easily empathise, and Radio is constantly switched on and entertaining. He has the philosophy that despite being inanimate, they each symbolised things we actually feel. As the foundation for writing the story, Rees reasoned that the characters would only be happy if they were being used by the Master. As a result of this, a major aspect of the film is about inanimate objects becoming alive when you are not observing them.