Cybermen

Cybermen
Doctor Who alien
Three Cybermen in their 2013 redesign.
Type	Cyborgs
Home planet	Mondas Telos (adopted) Parallel Earth
First appearance	The Tenth Planet (1966)

The Cybermen are a fictional race of cyborgs who are among the most persistent enemies of the Doctor in the British science fiction television programme, Doctor Who. Within the context of the series, the Cybermen were originally a wholly organic species of humanoids originating on Earth's twin planet Mondas that began to implant more and more artificial parts into their bodies as a means of self-preservation. This led to the race becoming coldly logical and calculating, with every emotion deleted from their minds.

They were created by Dr. Kit Pedler (the unofficial scientific advisor to the show) and Gerry Davis in 1966, first appearing in the serial The Tenth Planet. They were featured numerous times, up until the show's cancellation.

Following the 2005 revival of the show, the Cybermen returned with a new origin story in a parallel universe, in the 2006 series' two-parter "Rise of the Cybermen" and "The Age of Steel", and have been recurring villains again ever since. A further redesign took place in the 2013 episode "Nightmare in Silver", showing technologically advanced Cybermen, the result of a merge between the Mondasian and Parallel universe Cybermen, depicted as being able to instantly upgrade themselves to fix flaws and weaknesses.

The species also appeared in the Doctor Who spin-off Torchwood in its fourth episode, "Cyberwoman" (2006). Cybermen have also appeared in installments of the 2010 Doctor Who video game series The Adventure Games.