Detailed android replicas of actual people, these machines were developed by the Kraals to infiltrate and take over the Earth, not entirely unlike Autons.
Podcast C100 The Stones of Blood
Turns out that if you combine Druidic Hammer Horror, Inter-Dimensional SciFi and a Courtroom Drama, you get The Golden Girls
Podcast C083 The Android Invasion
Doc and Sarah match wits with finger-blasting androids and two walnuts from space planning to invade Earth