Supreme Controller (The Dalek Invasion of Earth)

A Black Dalek known as a Supreme Controller directed the Bedfordshire operation nearing the end of the 22nd century occupation occupation of Earth. It had a terrifying pet called the Slyther which it used to let roam free around the mines at night, killing those it found. The Supreme Controller's voice was considerably higher than the other Daleks'. (DW: The Dalek Invasion of Earth)