SV7
From Tardis Wiki, the free Doctor Who reference
Biography
SV7 was the Super-Voc which supervised the other robots aboard the Sandminer. Taren Capel took control of SV7 and he led the robots in killing the crew. Leela released helium into the air so that SV7 did not recognise Capel's voice and so killed him. The Doctor then deactivated it.
Behaviour
SV7 was quite a smart robot and capable of some Human-like thought. SV7 was Silver in colour.
Behind the Scens
SV7 was rleased as an action figure in wave 1 of Character Options action figures.