The difference between "blue humanoids, Blue Humanoids, humanoid species with blue skin, blumans, and humans who just so happened to be blue" was once explained to Coloth; he failed to understand these differences, but knew they existed, partially remembering that the eyes may have been significant. (PROSE: The Book of the Snowstorm [+]Loading...["The Book of the Snowstorm (short story)"]) Rose Tyler once recalled having met "blue people", (COMIC: Growing Terror [+]Loading...["Growing Terror (comic story)"]) the Crespallions (COMIC: The Whole Thing's Bananas [+]Loading...["The Whole Thing's Bananas (comic story)"]) of Crespallion. (TV: The End of the World [+]Loading...["The End of the World (TV story)"])