Jixen The Jixen were a species of turtle - like warriors . Biology . The Jixen looked like turtles , with broad shells , stubby limbs , bright blue eyes and beak - like mouths . They used a sonar type movement that made them appear to shudder . ( TV : " Regeneration " ) They could emit painful screams as an attack . These were especially effective on the Meron and also generated a blanket of energy over their enemies to inflict pain or knock them unconscious . ( TV : " Liberation " ) The Jixen were part of a collective consciousness . ( TV : " Hound of the Korven " ) The Jixen would spray a mucus on their prey to track them over great distances . Once marked this way , the Jixen would follow their prey until death . This mucus contained Jixen genetic material , confusing some tracking devices ( such as the one used by K9 ) . ( TV : " Regeneration " ) Culture . As they were part of a collective , they had no individual names . They were known for their sense of humour . ( TV : " Hound of the Korven " ) History . As shown in the Anubian Book of Deliverance , the Anubian s attacked the Jixen . ( TV : " Curse of Anubis " ) On their home planet , the Jixen fought a centuries long war across the galaxy with their sworn enemies , the Meron . Whole planets were destroyed in the conflict . The Jixen were winning the war but they were defeated ( TV : " Liberation " ) when the Korven supplied the Merons with energy weapons . ( TV : " Hound of the Korven " ) In the year 50 , 000 , four surviving Jixen warriors , in league with the bounty hunter Ahab , murdered Zanthus Pia for unknown strategic reasons . ( TV : " The Bounty Hunter " ) They fought K9 Mark I , the Korven agent , who witnessed the murder , until they were brought to 2050 via a Space - Time Manipulator . The Jixen tried to warn the nearby human s of a Korven invasion , but could not speak English . Their threatening appearance made the humans think they were attacking . After spraying Starkey with tracking mucus , K9 came through the STM . After a brief battle he self - destructed to destroy the Jixen emissary . Despite this , two of the Jixen survived and escaped although they were separated . When Starkey was captured by the Department , the Jixen followed it to his holding cell , though Starkey was able to escape . ( TV : " Regeneration " ) One of the two surviving Jixen found that two Meron were located in the Dauntless Prison and tracked it . When it encountered Starkey and the new K9 they managed to fool him by putting Starkey ' s jacket ( which contained the hunting spray ) in a cell and locked him in . A Meron appeared and attacked them , but the Jixen scared it off with a scream . The Jixen was eventually able to break free and went after Starkey again . It was killed when Starkey attached the remote control for the Prison to the Jixen and set it to self - destruct . ( TV : " Liberation " ) When K9 went to investigate a hole in a wardrobe which caused fear and panic , he saw a hallucination of a Jixen , frightening him . He was able to face the hallucination when Starkey convinced him it wasn ' t real . ( TV : " Fear Itself " ) When the Bodach induced nightmares across London , Starkey dreamed he was chased by a Jixen in a strange place . When he woke he found there was a Jixen in the mansion . When he told K9 to stop it , K9 shot Starkey instead and Starkey woke up for real . ( TV : " Dream - Eaters " ) The surviving Jixen learned English by reading books so it could warn humanity of the Korven . K9 and the team suspected a Jixen had survived after they were followed and discovered mucus which K9 confirmed to be Jixen . ( TV : " The Last Precinct " ) Thorne tricked K9 into swapping his regeneration unit for his faulty old memory chip , turning him into a bomb that would explode when he encountered the Jixen . The Jixen had made itself at home in the sewers , so Thorne had the CCPCs plant stun mines and gas bombs there to corral it . When K9 went down into the sewers to make the swap , he ran into the Jixen faster , preventing it from warning mankind of the forthcoming Korven invasion . K9 was disarmed and the Jixen got his message across . The Jixen was nicknamed " Jixey " . ( TV : " Hound of the Korven " ) Someday K9 was imprisoned by the Sporraxx who wanted to extract K9 ' s memory core . K9 tried to distract them by referencing : manuals on trigellan goat herding , the 19th century straker census ' and the tax return systems of the Jixens . ( COMIC : " Short Circuit " )