The Daleks (ˈdɑːlɛks ) are a fictional extraterrestrial race of extremely xenophobic mutants principally portrayed in the British science fiction television programme Doctor Who. They were conceived by writer Terry Nation and first appeared in the 1963 Doctor Who serial The Daleks, in casings designed by Raymond Cusick.
Drawing inspiration from the Nazis, Nation portrayed the Daleks as violent, merciless and pitiless cyborg aliens, completely absent of any emotion other than hate, who demand total conformity to the will of the Dalek with the highest authority, and are bent on the conquest of the universe and the extermination of any other forms of life, including other 'impure' Daleks which are deemed inferior for being different to them. Collectively, they are the greatest enemies of Doctor Whos protagonist, the Time Lord known as "the Doctor". During the second year of the original Doctor Who programme (1963–1989), the Daleks developed their own form of time travel. In the beginni