Its sub-tropes are:
- Hugh Mann, a human disguise done badly.
- Humanshifting, for shapeshifters who are only able to change into humans from their natural form.
- Mobile-Suit Human, for when something small is piloting a vehicle that looks like a human.
- Replicant Snatching, when a robot steals the very hide of the human and uses it to cover its body.
- They Look Like Us Now is when an enemy species figures out how to do this.
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Anime & Manga
- Wolves in Wolf's Rain have learned to project illusions that make them appear as humans in order to survive extinction. Rare humans (like Quent Yaden) can see through the illusion under certain conditions, while others must come into direct physical contact with the wolf to do so.
- The titular zombies of Zombie Land Saga use... makeup. Granted, it's a lot of makeup, since they're blue-green rotting corpses with sunken red eyes covered in scars and bandages without it, but it's somehow wildly effective; they comment on their surprisingly good looks, they're able to perform without arousing suspicion even when one of their members falls apart on stage, and the cop who's shot at Sakura twice completely fails to recognize her face to face in the third episode.
- The MAD comic "National Gorilla Suit Day" is an Overly Long Gag about various people revealing that they are actually Killer Gorillas wearing human suits.
- Martian Manhunter is a shapeshifter who disguises himself as a human when not working with the Justice League, so that he may live on Earth among humans as one of them.
- Supergirl adopts a human name and identity after arriving on Earth, which she uses as her secret identity.
- While Superman was raised under the name Clark Kent and is a Human Alien, as an adult he refrains from using his powers in noticeable ways in public while being Clark Kent, in order to be able to keep living quietly as Kent with a job and family separate from Superman.
- Acme Products chairman from Looney Tunes: Back in Action has a hulking Hypercompetent Sidekick named Bob that seems human, until Bob encounters the Tazmanian Devil in the jungles of Africa. There, Bob unzips his Latex Perfection full-body disguise to reveal that he's a Tazmanian She-Devil. The two devils begin a whirlwind romance of kissing and fighting.
- The Men in Black movies (and cartoon) make prominent use of this trope. Extraterrestrial immigrants live on Earth, hiding in plain sight by disguising themselves as humans (typically by wearing rubber skins or robotic suits). Also, an evil Bug alien somehow accomplishes this by murdering a farmer and stealing his skin.
- The main characters from 3rd Rock from the Sun are Human Aliens that pose as a human family.
- Doctor Who:
- As first seen in "Aliens of London"/"World War Three", the Slitheen kill humans and use their skin as a disguise.
- In "The End of Time", two normal-looking scientists turn out to be green cactus people disguised with a "shimmer".
- Daleks can disguise themselves as humans, using their bodies as "puppets". It's convincing until the eyestalk bursts through the forehead.
- The Good Place: In order to secretly torture the four humans whom they live with, the demons give themselves human skins so the humans don't notice anything odd.
- Bajorans, Klingons, Romulans, Vulcans, (with a little bit of plastic surgery and perhaps a haircut) and Trill (bit of makeup to hide the spots) can do this in Star Trek.
- The Outer Limits (1995): In "Starcrossed", Michael Ryan discovers that Teresita Arboleda, a waitress at his coffee beer Heaven, is a Hing in disguise.
- The many supernatural creatures living in Kellwood forest in Charby the Vampirate rarely bother with proper disguises beyond sunglasses when traveling into the nearby human city due to the super strength Perception Filter on the place. When Charby and Mye invite Yiska into town with them she insists they disguise themselves as human first although Mye points out that it's not really necessary.
- The 13 Ghosts of Scooby-Doo episode "Ship of Ghouls" had a ghost impersonate a human travel agent as well as a human ship captain named Captain Ferguson. For the former, he simply made his body more opaque. For the latter, he wore a lifelike mask.
- Roger of American Dad! always dresses up as a human in public to keep people from realizing he's an alien.
- Jumba and Pleakley from Lilo & Stitch are two aliens living with Lilo and Nani Pelekai in their Hawaiian home. Both of them blend in by wearing some rather poor disguises (only just sets of human clothing — female in Pleakley's case) that somehow fool most people. Similarly, Lilo's "pet" alien creature Stitch gets by through claims of being a "dog" despite looking nothing like one.
- Tiny Toon Adventures:
- In the short, "The Year Book Star" (part of "Toon Physics"), Babs and Plucky compete against each other to see who can star in the most photos of the school yearbook, with the loser having to suffer the humiliation of the winner's choice. During the official count-off, the two appear to have tied, until it is revealed that a human boy wearing an orange hat appeared in the background of every photo either of them was in, causing him to win easily. The Boy in the Orange Hat then reveals himself to be Buster Bunny in a latex mask and suit, who entered the competition to teach Babs and Plucky not to compete to win a bet, but all this does is prompt Babs and Plucky to beat him up as the short irises out.
- In the episode, "Thirteensomething", Babs wishes she could audition for the titular Show Within a Show, and Buster dares her to. Knowing that the casting office only hires humans, Babs disguises herself as a human and changes her name to "Babs Bunawalskioversmith". Unlike Buster's disguise in "The Year Book Star", Babs is able to pass for human simply by covering her ears. The fact that her face is covered in fur doesn't quite go unnoticed: "You really should get a wax, dear. You have a lot of facial hair!"