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Doozers

Within Fraggle Rock lives a second species of small humanoid creatures, the pudgy, green, ant-like Doozers. Standing only 6 inches tall (knee high to a fraggle), Doozers are in a sense anti-Fraggles; their lives are dedicated to work and industry. Doozers spend much of their time busily constructing all manner of scaffolding throughout Fraggle Rock using miniature construction equipment and wearing hardhats and work boots. No one but the Doozers themselves seem to understand the actual purpose of their intricate and beautiful constructions.

Often their building is accompanied by marching songs and various doozer chants. To ensure that they always have a steady stream of work to do, Doozers build their constructions out of an edible candy-like substance (manufactured from radishes) which is greatly enjoyed by Fraggles. They actually want the Fraggles to eat their constructions because "architecture's supposed to be enjoyed" and also so they can go on to build again. This is essentially the only interaction between Doozers and Fraggles; Doozers spend most of their time building, and Fraggles spend much of their time eating Doozer buildings. They thus form an odd sort of symbiosis.

This symbiosis was part of an episode where Mokey called upon the Fraggles not to eat the Doozers' constructions - because they spend so much time making them. Fraggle Rock was quickly filled with constructions and the Doozers had no space left to build. After running out of space the Doozers finally decided that it was time to move on to a new area because the Fraggles would not eat their construction, and there was even a tragic scene with a mother explaining to her daughter about how things don't always work out but that they would find a new place to live where their construction would get eaten. Overhearing this convinced Mokey that they didn't mind that the constructions were eaten, because this enabled the Doozers to build ad infinitum. As a result, Mokey frantically rescinded her prohibition and encouraged the Fraggles to ravenously eat the structures just in time to encourage the Doozers to stay.

At one point, there was a series of Fraggle Rock books, one entitled "The Legend of the Doozer Who Didn't." This book details the story of a Doozer who went against Doozer tradition when he stopped working and going to school. According to this book, a Doozer who doesn't becomes a Fraggle.

The series had several episodes that featured a Doozer as a main character, a young female named Cotterpin. She was performed by Kathryn Mullen.