This article needs a big cleanup.
Human or humanoid? Don't put one thing in the infobox and another in the category.
These problems might be so great that the article's factual accuracy has been compromised. Talk about it here or check the revision history or Manual of Style for more information.
Walker was a convict who was sent to a colony planet (later named Basingstoke by the Eleventh Doctor). He became entangled in a fight with Davis, but they were stopped by a Snoops. (COMIC: Supernature)