Dipsy created them in Tubby Tower alongside Teletubby Robots, so there would be more Teletubbies, vastly increasing the size and strengh of the Teletubby army. Not all the clones were perfect, but they were still just as deadly, so they kept them all, even though this wasn't planned since Tinky-Winkytwo was supposed to be the only Teletubby clone. The clones were disigned to answer only to the Teleubbies, so if anyone else wants their help, they must either trick them into thinking that they are a Teletubby, or bribe them. Here's a list of the noteable Teletubby clones created so far: