Skin (Marvel Comics) had a greyish tone and, because of the extra amount, gave him the appearance of a melted candle. At one point, along with compressing his skin tighter against his body, Skin was learning to manipulate the pigment melanin in his epidermis in order to appear normal. However, performing these two stunts together caused him to have migraines and he soon gave up on the idea of being normal. In the alternate timeline of the Age of Apocalypse, Skin was featured in "Generation Next" as one of the protégés tapped by Colossus and Shadowcat to rescue Illyana Rasputin from enslavement at
Biological pigment or pigment cells, or from the excess production of pigment. Carotenoids are the most common group of pigments found in nature. Over 600 different kinds of carotenoids are found in animals, plants, and microorganisms. Animals are incapable of making their own carotenoids and thus rely on plants for these pigments. Carotenoproteins are especially common among marine animals. These complexes are responsible for the various colors (red, purple, blue, green, etc.) to these marine invertebrates for mating rituals and camouflage. There are two main types of carotenoproteins: Type A and Type B. Type A has carotenoids (chromogen) which are stoichiometrically associated