Kist Magg Thek Lutiven-Day Slitheen

Kist Magg Thek Lutiven-Day Slitheen was a member of the family Slitheen. He has a son (Hal Go Hetch Lutiven-Day Slitheen). Kist Magg Thek, his son and another Slitheen named Glune Fex Fize Sharlaveer-Slam Slitheen invaded a school in London and Kist Magg Thek disguised himself as Mr Jeffery. Together, with other family members all over the world they planned to turn off the Sun. But Sarah Jane Smith intervened and Kist Magg Thek was killed by the failing technology. (SJA: Revenge of the Slitheen)