Drahvin Drahvins were a humanoid - like race . They all looked like human females , but had several large dots around the tops of their eyes . Biology . The Drahvins were physically similar to humans . They were blond and physically attractive . ( PROSE : " Galaxy Four " ) Culture . The Drahvins had a rigid caste system . On top were the Elite , with the scientists , leaders and military commanders . They could be identified by their scarlet clothing . They were allowed actual food , could vote and had a normal birth . Below the Elite were the slave class , which did menial labour . They were artificially created and were given limited intelligence and creativity . They would be given a number instead of a name ( such as " Drahvin One " ) , were fed on food pills and were expected to obey the Elite without question . Males had no part in this system and only a small number of males were kept alive for reproduction , the rest being killed to preserve resources . Drahvin government was split up into Ministries , such as the Ministry for Offensive Research . Though the Elite had a vote , there was only one political party and little actual change . ( PROSE : " Galaxy Four " ) Drahvins did not understand the concept of giving one ' s life for an individual . Failure was considered inexcusable and it was standard policy among the military Drahvins to shoot the wounded . ( TV : " Galaxy Four " ) Technology . The Drahvins had somewhat limited technology . For example , their ships were made of common metals , making them functional but not particularly durable . They used guns physically similar to the machine guns of Earth , but which used energy instead of bullets . In an attempt to stop the Chumblies , they also used a mesh - net which could incapacitate them . ( PROSE : " Galaxy Four " ) A Drahvin scanner was acquired by Torchwood Three . ( AUDIO : " One Rule " ) History . At some point in their history , the Drahvin homeworld , Drahva , was undergoing a dramatic drop in temperature , killing the vegetation and forcing the Drahvin to find new planets to colonise . One ship , led by Maaga and with four Drahvin slaves , encountered a Rill ship . The Drahvins attacked , but were defeated , causing them to crash onto an uninhabited planet . The planet was doomed to destruction and though the Rills wanted to work together with the Drahvins to escape , the Drahvins attempted to take the Rill ship by force . When the First Doctor , Steven and Vicki came to the planet , Maaga tried to trick , then force the Doctor into helping them destroy the Rills and escape the planet , but failed . The Drahvins died when the planet exploded . ( TV : " Galaxy 4 " ) In 102 , the Drahvins were among the races who joined the Alliance . They came to Stonehenge and helped imprison the Eleventh Doctor in the Pandorica in order to save the universe . ( TV : " The Pandorica Opens " ) The Drahvins attempted to invade Earth some time prior to 1997 . UNIT fought them off without the Doctor ' s assistance . ( PROSE : " The Dying Days " ) By 2005 , Torchwood Three had acquired a Drahvin scanner . It was procured by Yvonne Hartman , who hoped to use it to unlock the Void Ship back at Torchwood One , only to lose it in a fire . ( AUDIO : " One Rule " ) In the 30th century , the Imperial Landsknechte troops were trained to identify Drahvin ships . ( PROSE : " Original Sin " ) The Drahvins had competitors in the 309th Intergalactic Song Contest , performing a song called " Cloned Love " . ( AUDIO : " Bang - Bang - a - Boom ! " ) One of the bounty hunters sent to capture the Sixth Doctor , Heera , was a Drahvin . ( PROSE : " " ) At some point after his sixth incarnation , the Doctor saved the planet Symbios from the Drahvins . ( AUDIO : " The Crimes of Thomas Brewster " )