Thomas Carnacki
From Tardis Wiki, the free Doctor Who reference
Thomas Carnacki was an Earth detective who investigated supernatural occurrences.
Carnacki met the Second Doctor and Zoe Heriot in 1900, becoming involved in the events surrounding the Spirit Gate. (PROSE: Foreign Devils)
In 1904, Carnacki encountered Iris Wildthyme and her companion Panda while he was investigating Mocata Grange. (AUDIO: Iris Rides Out)
Behind the scenes
Carnacki the Ghost-finder was the fictional creation of author William Hope Hodgson