Racnoss herself had an armed guard of Roboforms, which the Tenth Doctor infiltrated and knocked out. They frequently disguise themselves as people in Santa Claus outfits to avoid suspicion. They had weaponry disguised as conventional Earth items, such as flamethrowers in the guise of tubas and Christmas Trees capable of spinning fast enough to slice people apart. They are shown capable of detecting Regeneration energy, as shown in The Christmas Invasion. Roboforms naturally have golden bullet shaped heads with two indentations on either side where a human's eye would be. S Sandminer Robots In The Robots of Death (1977), there were three types of slave Robots, created by a distant human society. The robots were originally built to perform menial tasks. In at least one instance these robots took to raising a human child, Taren Capel. He eventually learned to reprogram the robots to kill humans, and attempted to stage a Robot Revolution. There were three classes of robots: D-class, colloquially known as Dums, were incapable of speech and merely followed orders. V-class or Vocs were capable of verbal response and performing slightly more complex tasks, but ultimately no more intelligent than the D-class. SV-class, or Supervocs were capable of reason and decision-making, and were used to co-ordinate the other robots in an organisation. Supervocs have been utilised in detective work. These robots made appearances in: The Robots of Death, a Fourth Doctor serial with Leela, written by Chris Boucher Corpse Marker, a Fourth Doctor novel with Leela written by Chris Boucher Kaldor City: Occam's Razor, a Kaldor City audio play, written by Alan Stevens and Jim Smith Kaldor City: Death's Head, a Kaldor City audio play, written by Chris Boucher Kaldor City: Hidden Persuaders, a Kaldor City audio play, written by Jim Smith Kaldor City: Taren Capel, a Kaldor City audio play, written by Alan Stevens Kaldor City: Checkmate, a Kaldor City audio play, written by Alan Stevens Kaldor City: Storm Mine, a Kaldor City audio play, written by Daniel O'Mahony Robophobia, a Seventh Doctor audio play, written by Nicholas Briggs Smiler T Teselecta The Teselecta, first shown in "Let's Kill Hitler", is a robot with the ability to change its appearance. It is commanded by humans, who are shrunk by a miniaturization ray and kept at that size by a compression field. Teselecta are sent through time by an organization called The Justice Department, to remove people it