Factual error: Kandoka labour laws require companies like Kerblam! to have a minimum of 10% organic staff. The villain claims that, as a result, only 10% of humans are employed, at all. These are two completely different quantities: if 10% of the cars in one parking lot are blue, this doesn't indicate that 10% of all cars are painted blue, but that's effectively what the episode thinks. The fact that no-one else, including the Doctor, calls him on this further magnifies the mathematical error.
Doctor Who (2005)
1 mistake in Kerblam! - chronological order
The Doctor: I'm not... I'm not... I'm not from Mars!
Trivia: In "Human Nature", when John Smith (The Doctor's human identity) is talking about his parents, he says their names are Sydney and Verity. Sydney Newman was the creator of Doctor Who and Verity Lambert was the first producer. (00:30:00)
More questions & answers from Doctor Who
Chosen answer: No, no information is avalible for the identity of the entity.
Repo_Man
Season 2: The Well.
jakew25