Conjoined Eyes

Has anyone ever noticed that Sonic doesn't have two eyes, but one hideously malshapen eye with two pupils? Seriously, look at it! There's nothing dividing his eyes, it's like two egg whites that have fused together.

Eyes say a lot about a character. Color, size, and even placement can tell you if the character's built for a certain genre. For example, eyes set very close together tend to belong to characters destined for cartoon fantasy.

Sometimes artists go overboard and draw eyes where the sclerae meet in the middle, with the two pupils still occupying their own sides, never crossing into the other. With this particular physiology, the character actually has "pupula duplex", or one gigantic eyeball in their head with two pupils on it.

Funnily enough, this passes as an Acceptable Break from Reality as the eyes, strangely constructed as they are, still do the job of conveying emotion just as well as separate eyes do. Although nobody in-universe ever seems to point out how strange it is.

Compare Sphere Eyes, which uses two giant eyeballs that have either tiny little dots for pupils or just normal pupils.


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  • Many characters in the Disney/Pixar Cars franchise. Justified, as it's basically their windshields. This was even applied to characters whose bases in real life do not have windshields, such as Francesco Bernoulli, and characters whose bases otherwise have asymmetrical cockpits (such as the dump truck Mater knocked over in the prologue, whose cockpit is actually moved to the center of his body, and the double-decker buses in London, whose cockpits are changed into monocles). Also, for some reason there are no convertibles (they all have their roofs down) in this universe, with their windows being completely opaque, implying that they all may not be hollow.
  • The Voyages Of Young Doctor Dolittle has the two-pupil eyeball variant on a lot of animal characters.
  • In a creepy variant, Sutter Cane's agent in In the Mouth of Madness goes berserk after reading the manuscript for Cane's latest work, and a close-up shows that each of his eyes has acquired overlapping double pupils.

    Live Action Television 
  • Just about every character in BJ and the Dirty Dragon Show/Gigglesnort Hotel.

    Comic Books 

    Newspaper Comics 
  • Several characters in Bloom County and its follow-ups, particularly Opus. When the strip was rebooted as Opus, the title character had a line drawn between his eyes.
  • The default style for Tumbleweeds.
  • Wanda from Baby Blues, even though the default style is two eyes.

    Video Games 
  • The hedgehogs (Sonic, Amy, Shadow, Silver) in Sonic the Hedgehog, but none of the other characters with some exceptions like Mighty and Ray. This led to a fandom in-joke about how Sonic actually has a white Kirby inside his head instead of an eyeball.
    • As pointed out here and here. Warning: Potential horror and terror.
    • Or perhaps that is just not the case...
    • Sonic Dreams Collection takes this too far. During the "My Roommate Sonic" segment, as you look into Sonic's eyes, the pupils move closer together until they merge into a swirling vortex that sucks you in.
  • Ty the Tasmanian Tiger
  • In the Donkey Kong series, you have Diddy and Dixie. It's also rather hard to tell behind his specs, but Cranky also has this going on. More obscure examples include Donkey Kong Jr., Kiddy Kong, and (oddly) Swanky Kong.
  • In Toki Tori, the titular egg-shaped chick has large eyes connected so close together that they seem to be one big eye with two pupils.
  • In Eversion, the cute monsters' eyes gradually become like this as you evert from World X-1 to X-3. Evert to X-4 and beyond, and their eyes fuse into one eye.
  • Inverted with Duskull from Pokémon: It has two eye sockets sharing a pupil!
  • The Nintendo 64-era 3D Models of Koopa Troopa and Yoshi had this problem.

    Web Comics 
  • Virus from Exterminatus Now, explicitly based on the Sonic look. Example (last panel)
  • Captain Kaff Tagon from Schlock Mercenary, as well as his father, Gen. Karl Tagon (ret), and both his brother and grandfather (all male members of Tagon family).
  • All characters in Breakpoint City have these to begin with. Minor characters began showing up with separate eyes in late 2002, and the main characters gained them one by one over time. So far, Dan is the only one of the main and minor characters who still lacks separate eyeballs.
  • Dummy Duck all three main characters' eyes when fully opened.
  • In The Whiteboard, the "generic" anthro furries that have more or less replaced the featureless "bubblehead" no-neck humans all tend to have conjoined eyes, although much of the older, more regular cast have eyes that are separate from one another.
  • Lampshaded in Brawl in the Family #487 Sonic's Eyes. Tails finds a single conjoined contact lens.
  • And a rather horrifying version here.

    Web Original 
  • Unskippable remarked on this trope during one of the episode on a Sonic Game. They also noted that, with more modern graphics and pre-rendered cinematics, it makes Sonic's eyes (eye?) look particularly creepy, as the more "realistic" detailing from the CGI clashes with this otherwise cartoonish design.
  • Nearly everybody in Club Penguin has eyes designed like this, with the bonus of the eye depicted as a single arc from one side of the head to the other—in other words, everyone really IS drawn as a cyclops with two pupils.

    Western Animation 
  • Goofy, Pluto the Pup, Clarabelle Cow, Horace Horsecollar, and Pete from the Classic Disney Shorts.
    • Mickey Mouse is an interesting example. In his first two cartoons he has large googley eyes with a clear separation, but by "Steamboat Willie" the outlines disappear and the pupils become the eyes, while the rims become eyebrows. Occasionally, however, the "eyes" would move around the face, and if it's dark the whole eye-brow area lights up. As animation became more realistic, Mickey's design began to seem weird and unnatural, so he was redesigned with eyes that have pupils.
  • Many Looney Tunes characters have these during wild takes, even characters like Bugs Bunny, whose eyes are usually not that close together.
  • Dr. Robotnik from The Adventures of Sonic the Hedgehog.
  • The Snorks
  • The Disney animated short Suzie the Little Blue Coupe, which apparantly inspired the character designs for Cars.
  • Zipper from Chip 'n Dale Rescue Rangers.
  • A subvertion example: Oggy from Oggy and the Cockroaches normally does not have any conjoined eyes, but he gains a pair on a few shots.

    Real Life 

Alternative Title(s):

Windshield Eyes, Goggle Eyes, Pupula Duplex