Grey-skinned humanoids, usually 3–4 feet tall, bald, with black almond-shaped eyes, nostrils without a nose, slits for mouths, no ears and 3-4 fingers including thumb. They have been the center of quite a few cases of alleged alien contact over the years.
Diminutive green humanoids. Even though a few abduction or anal probe cases have referred to green skin no report has ever involved anything that would fit the classic cultural stereotype of "Little Green Men". They are included here only for cultural reference.
Humanoids with stereotypical "Nordic features" (tall, blond hair, blue eyes) and have featured in several cases of contact. It is said they are from Ancient Earth but presented themselves as ET's in the past, they moved from living in the surface to live underground around the Himalayas area after a natural event.
^Bryan, C.D.B (1995). Close Encounters of the Fourth Kind. Alfred A. Knopf, Inc. ISBN9780679429753.
^ abBlackmore, Susan (May 1998). "Abduction by Aliens or Sleep Paralysis?". Skeptical Inquirer. Amherst, NY, 14226, US: Committee for Skeptical Inquiry. 22 (3). ISSN0194-6730. OCLC4081591. Archived from the original on 2010-08-13. Retrieved 2015-06-02. The '[G]ray' is about four feet high, with a slender body and neck, a large head, and huge, black, slanted, almond-shaped eyes. Grays usually have no hair and often only three fingers on each hand.
^Lewis, Tyson; Kahn, Richard (Spring 2005). "The Reptoid Hypothesis: Utopian and Dystopian Representational Motifs in David Icke's Alien Conspiracy Theory". Utopian Studies. University Park, PA, US: Penn State University Press [for the Society for Utopian Studies]. 16 (1): 45–75. ISSN1045-991X. JSTOR20718709. Icke, ... is now today's most (in)famous proponent of what we are calling the 'Reptoid Hypothesis'—the idea that alien lizards conspiratorially control the Earth and with it human destiny.