Jehovah's Witness
From Tardis Wiki, the free Doctor Who reference
Jehovah's Witnesses were a group of Christians that worshipped the God Jehovah. According to Owen Harper, Jehovah's Witnesses were known to go house-to-house knocking on people's front doors. (PROSE: Mrs Acres)
The leader of the Jehovah's Witnesses suggested that the god of the Krikkitmen listen to a variation of the song known as Amazing Grace. (PROSE: Doctor Who and the Krikkitmen)
When Iris Wildthyme heard a knock at the door of Pink Gables, she thought that it must be a Jehovah's Witness. (AUDIO: Dark Side)
