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The Lakertyans resembled humans with yellowish skin and scales around the face. They had impressive gold coloured manes. The Lakertyans also differed from humans in skeletal structure, with having a longer skull and larger vertebrae that included external posterior caudal segments.
When the Rani came to Lakertya the Lakertyans were primitive but she soon had them operating her machinery to complete her task. They were unable to devise a way to remove the tethers with which they were fitted, but Melanie Bush was able to do so. (Time and the Rani)
The Lakertyans were a primitive people when discovered by the Rani. They were enslaved to work on the Rani‘s Time Brain project. Many Lakertyans were killed by the hard work that was done, this was mostly carried out by the Rani‘s traps or the Tetrap slave-masters.
Though some of the Lakertyans tried to fight back, the Rani created more threatening motivators, such as deadly insects and electrifying bracelets.