Skele-Bot 9000



""Just for my own edification, did you have to design the robots with such horrifying features? I'm not a design guy, or anything, but I can't see any either performance or aesthetic benefits in designing the robots with cold, skeleton heads, piercing red eyes and giant metal teeth.""

- Cracked.com, "A Series of Emails from Cyberdyne's New Tech Guy"

A visual trope in science fiction materials: humanoid robots that look skeletal in design. They all have relatively thin limbs that are reminiscent of bones, and they usually lack "filling" in places where humans have only soft organs, like the abdomen.

Such robots can be very obvious, with sinister, grinning skull-faces, a la the T-800 from The Terminator. Others are more subtle, often with fairly realistic faces.

Obvious SkeleBots are meant to scare characters. Often, these are the cold, inhuman soldiers of the Big Bad. On the other hand, subtle SkeleBots are often presented (at least at first) as perfectly innocuous consumer devices, but they're meant to subtly creep out the audience. While there might be no mechanical need for the extra padding or housing necessary to keep a robot built on the human frame from looking skeletal, "not looking creepy" is a general design goal for consumer products, especially those with recognizable faces. Subtle SkeleBots with "intact" faces often lean as much towards the "moving corpse" nadir of the Uncanny Valley as Dem Bones.

Some, such as the T-800s, are designed to be covered with "something", so they literally are robot skeletons.

Anime & Manga

 * The Boomer androids from the original Bubblegum Crisis, as Terminator Expies, also have skull-like heads under their artificial skins. (The rest of the body is much less skeletal.)
 * During the Red Ribbon Army arc of Dragon Ball, Goku and crew encounter what appears to be a skeleton with a Arm Cannon in an abandoned pirate's lair.

Comic Books

 * The "anorexic Cybermen" from the Doctor Who comic The Flood are another example of the subtle version, as seen here.
 * The robot in "Spirou and the Robot Blueprints" (fr. orig. "Spirou et les plans du robot"), 1948, a Spirou et Fantasio comic from 1948, is at least vaguely skeletal.
 * Most robots from the comic Magnus, Robot Fighter: 4000 AD are somewhat subtly skeletal. They have flatly mechanical faces or faceless heads, thin limbs, and chests joined to hips by nothing more than a thick cable.
 * DC Comics villain Metallo, at least in his Post-Crisis version, as a direct Shout-Out to the T-800.
 * The mid-80's version of Brainiac in Superman.
 * Some later versions of Warlock from New Mutants have played with this trope, by having him look very skeletal when in low energy, and much more fuller and human-like when in full power.

Film

 * The T-800 endoskeleton. While the endoskeleton is designed for a reasonable purpose - to be a framework on which to grow human flesh to better disguise the Terminators - the real reason is the horrific image (no pun intended - one of them really illustrates the trope page) of implacable metal skeletons coming after you.
 * The T-X as well, though the covering is liquid metal instead of human flesh.
 * From the Star Wars prequels: The B-1 battle droids are skeletal, designed to be easily packed up and stored. According to Expanded Universe material, they are actually supposed to resemble the skeletons of Nemoidians (the people who designed them), which would be scary...if you're Nemoidian.
 * Neimodians are a subrace of Duros, so the droids should be scary to regular Duros, too.
 * The Phantom Menace concept art shows that the original plan was for the Nemoidians themselves to have elongated faces and skeletal limbs just like their battle droids. This was scrapped for the movie (perhaps because it would have required the Nemoidians to be fully animatronic or CGI, and they figured were already pushing it with Jar-Jar) and the EU explanation was retconned in.
 * The unfinished version of C-3PO, with his "parts showing," in The Phantom Menace.
 * The Yuuzhan Vong Hunters from the Expanded Universe are meant to be an insulting sight rather than a scary one.
 * General Grievous, though he is technically a Cyborg, invokes this trope with his appearance.
 * The highly evolved robots at the end of A.I.
 * The NS-5 and NS-4 robots in I Robot.

Live Action TV

 * Stargate: The Ark of Truth: The replicators take over a human and the results is one of these after the flesh is burned off. This is a clear Shout-Out to The Terminator, especially the similar music in that scene.
 * Craig Ferguson's "robot skeleton" sidekick Geoff Peterson on The Late Late Show.
 * The Cylon Centurions in Caprica, specifically referred to as "skeletons" more than once. Though in the finale ones with added armor plating are shown.

Music Videos

 * The creepy baby bot in Daft Punk's "Technologic".
 * The Lou Reed robot in "No Money Down" goes from Uncanny Valley to this.
 * Doctor Steel's iconic robots are built this way.

Tabletop Games

 * Warhammer 40000: All of the Necrons, barring scarabs, tomb spyders, and arguably the pariahs take the form of skeleton-themed robots - which makes sense, considering they were inspired by/based on Terminator.
 * The Coalition States in Rifts actually calls theirs Skelebots.

Video Games

 * The Robot Master Skull Man from Mega Man
 * After Dr. Lugae loses his first go-round with the heroes in Final Fantasy IV, he transforms himself into a skeleton robot for the second battle. The implication is that he just tears his skin off.
 * in Mass Effect 2, often called the by fans.
 * Snatcher features Terminator-like robots.
 * Time Splitters 2 has the Chasisbot, which has one of the smallest frames in the game making it hard to hit. some speculate that is just the chassis of a sentrybot with some additional equipment. seems logical no? it would also seem to explain it's sub-par stats.
 * The MMORPG Toontown Online has Skelecogs in-game which you will most often find in cog factories, during HQ raids, and in high level buildings (but sometimes, also during district invasions). Not only do they look creepier than their regular cogs counterpart (which already hangs around the border of Uncanny Valley), but they're almost always more powerful as well.
 * Dr Nefarious from Ratchet & Clank.
 * Scurvo and Dreadfuse from The Legend of Zelda: Skyward Sword.
 * Phase 1 Dark Troopers in Dark Forces are essentially robot skeletons with a vibroblade in one arm and a blast shield in the other.

Webcomics

 * Roofus the Robot's unfinished appearance in The Inexplicable Adventures of Bob. His finished form is actually fairly hefty.

Western Animation

 * Infiltration Unit Zeta in The DCAU.
 * The "ghost robot" Scared-Stiff in Filmations Ghostbusters. However, he might be a subversion, as he's described in fan circles as "a wimpy C-3PO".
 * Transmutate from Beast Wars.