Cotton (The Cars That Ate London!)
From Tardis Wiki, the free Doctor Who reference
Inspector Cotton asked Vastra to help in an investigation which was more unusual that what he was used to. He later helped the people of London when the automated driverless cars started attacking the populace. (AUDIO: The Cars That Ate London!)
He later told Vastra about a set of corpses that resurrected claiming to be other people. (AUDIO: A Photograph to Remember)
