The Nylans were a dismebodied alien race, who (when they required a physical prescence) inhabited artificial bodies made of wood. They would often manifest themselves as wooden artists models, or vetriliquist dummies, overwhelming their enemies with sheer numbers to make up for their small size. In one memorable episode, a Nylan spy inhabited a martial arts practice dummy, and attacked the Third Inspector (on one of those rare occasions when he actually practiced his Jovian Jujitsu).

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