There are various subcategories of "gals" depending on the choice of fashion, and also gender. * Ganguro gyaru (ガングロギャル): a gal with an artificial deep tan and bleached hair. This style was popular in the late 1990's and early 2000, and while that is no longer the case, there are still a quite a few people who wear this fashion. * Kogyaru: generally a high school student (高校生 kōkōsei). * Mago gyaruo a middle school gal. (中学校 chūgakkō). * Oyajigyaru (オヤジギャル): from oyaji and gyaru. A gyaru who behaves in a masculine way, who drinks beer and uses rough language. * Oneegyaru (お姉ギャル): a gyaru who has graduated from high school, and thus become a more mature onee-san (literally "elder sister" but, here, "young lady"). The style is more sophisticated. * Ogyaru (汚ギャル): a dirt