D'Artagnan

Spoiler Warning! This article or section reveals details from the second season. Read at your own discretion.

D'Artagnan
Biographical information
Status	Deceased
Aliases	Dart
Residence	Henderson House
Portrayal
Main actor	Craig Henighan (voice)

D'Artagnan, commonly referred to as Dart, was a creature originating from the Upside Down that Dustin Henderson temporarily kept as a pet. Dart is from the same species as the original Demogorgon, albeit in an adolescent form, referred to as a "Demodog" by the kids.

Quick Answers

What species does D'Artagnan, also known as Dart, belong to in Stranger Things?

In the popular series Stranger Things, D'Artagnan, affectionately known as Dart, is a Demodog, or the juvenile version of the Demogorgon. This unique creature was discovered by Dustin and quickly became his pet. Despite its slimy exterior and unusual growths, Dart's species is a fascinating addition to the Stranger Things universe.

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How did Dustin Henderson come across Dart in Stranger Things?

Dustin Henderson stumbled upon Dart, a creature from the Upside Down, when he found him in the trash can outside his family's home in the second episode of Stranger Things 2. Despite his friends' concerns about the creature's origins and potential danger, Dustin decided to keep him as a pet. His affection for Dart showcases his curious and caring nature, even when faced with the unknown.

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What is the relationship between Dart and the original Demogorgon in Stranger Things?

In Stranger Things, Dart, also known as D'Artagnan, is a creature that Dustin bonds with. Dart is a Demogorgon, a species from another dimension known as The Upside Down. While he is of the same species as the original Demogorgon found in Season 1, there is no known relation between Dart and the Demogorgon.

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Why is D'Artagnan referred to as a 'Demodog' in Stranger Things?

In Stranger Things, D'Artagnan is called a 'Demodog' because it is a stage 5 Demogorgon, when the species walks on all fours and takes an appearance that vaguely resembles that of a dog. This term was coined by Dustin Henderson, who found and adopted Dart as his pet. Demodogs are dangerous predators from the Upside Down, a parallel universe in the series. They are known for their vicious nature and are the first stage of the Demogorgon species that starts murdering people.

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What happens to Dart, Dustin's pet, in Stranger Things?

Dart, also known as D'Artagnan, is a pet Demodog that Dustin Henderson finds in Stranger Things. Despite originating from the Upside Down, Dustin forms a bond with Dart and tries to protect him from his friends who believe Dart is dangerous. Dart grows from a polliwog-like creature into a Demodog, causing panic when he escapes and runs loose in the school. The search for Dart is eventually abandoned, but Dustin runs across Dart again in the tunnels below Hawkins, only to lose him when Eleven closes the Gate, cutting off the life support of all the Demodogs.

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History

Season Two

When returning home after trick-or-treating, Dustin heard a noise coming from the trashcan. Upon investigating, he discovered a creature and placed it in his proton pack. Dustin placed the creature in his turtle's tank and fed it a Three Musketeers bar, appropriately giving it the name D'Artagnan after the character from the novel.

The next day, Dustin brought Dart to school, showing it to Mike, Will, Lucas, and Max. After discussing what type of animal Dart could be, Dustin concluded that he had discovered a new species. However, after noticing it resembled a slug he had thrown up the year before, Will realized Dart originated from the Upside Down. Before Dustin could show Mr. Clarke, Mike took Dart and urged everyone to meet again in the AV club room, excluding Max. When Dart started to emit a screeching sound, the boys opened the proton pack to witness it grow a pair of hind legs. Mike then tried to attack Dart, which caused it to flee and run loose throughout the school. Will eventually found Dart in a bathroom; it screeched, causing Will to run away. Soon after, Dustin arrived to retrieve Dart. When the others arrived, Dustin hid Dart under his hat and lied saying he had not seen it or Will.

Dustin then brought Dart home, and continued to care for it secretly while keeping up the appearance of looking for it with the others. After returning home from school, Dustin found that it had broken out of the tank and eaten the Henderson's cat, Mews. Realizing Dart was now dangerous upon seeing how it could open its mouth like the Demogorgon, he lured it into the basement and called in Steve to help exterminate it. However, Dart escaped, forcing Dustin, Steve, Lucas, and Max to lure it to the junkyard in a final bid to kill it. Dart soon arrived but was joined by several other creatures of its species, which started to attack the group until they were called to Hawkins Laboratory by the Mind Flayer.

Dart was not seen again until the group were trying to exit the tunnels underneath the pumpkin patch, when they were stopped by it blocking their way. Recognizing Dustin, Dart did not attack and was easily distracted by Dustin giving it another Three Musketeers bar, allowing the group to escape. Dart did not join the other Demodogs in returning to Hawkins Laboratory, and was ultimately killed when Eleven closed the portal to the Upside Down.

Abilities

Mind Block: Dart had showed special ability to fight or ignore the Mind Flayer's influence. Dart was able to remember Dustin.

Appearance/Nature

See also: Demogorgon (species)

• Stage Two: When Dustin first discovered Dart, he was roughly the size of his hand, and was colored yellow-green. He had a lizard-like tail, small claw-like hands and a tiny mouth. In this stage, Dart was incredibly sensitive to hot light. He happily fed upon the nougat candy provided by Dustin, displaying no urges to eat meat.
• Stage Three: After molting his skin, Dart took on a dark green color and grew substantially. He sprouted an additional set of legs, and began to move in a quadrupedal manner. His tail also grew much longer and thicker.
• Stage Four: Dart eventually developed into a much larger creature, becoming roughly the size of a small dog. Dart's limbs lengthened, while his skin continued to darken. Notably, his mouth began to open like a flower, revealing rows upon rows of sharp teeth.Dart grew tired of nougat at this stage, becoming attracted to meat. Dart broke out of the tank and fed upon Mews, Dustin's unlucky pet cat.
• Stage Five: The adolescent Dart continued to grow both in size and strength. He was now roughly the size of a Great Dane, and had gained the ability to dig underground tunnels.

Behind the Scenes

The Duffers tasked the VFX team with creating four stages of a Demogorgon's life cycle. The first two stages were designed with the intention of not giving away the creature's species. Dart's red-green skin color was chosen to resemble something that would occur in nature, with his yellow spots to help distinguish him from other members of his species.

Dart was voiced by sound designer Craig Henighan. When creating Dart's vocalizations, Henighan was inspired by the film Gremlins. Using 10-second clips of Dart in each stage as visual guides, Henighan recorded himself making various sounds. He would then distort and pitch the noises until he found the right sound, occasionally using a processor called “Dehumaniser”. As Dart aged, the sounds would be pitched lower, while Henighan's performances would become more aggressive. In order to give Dart's voice a “slimy, wet quality”, Henighan would record himself while gargling water; another processor added a tremolo to Dart's voice, resulting in it having an almost vibrating quality. Henighan also manipulated some of the Demogorgon recordings he had created for the first season.

Trivia

• The creature has various similarities to the Gremlins from the 1984 comedy horror film Gremlins. Much like Billy, the main protagonist, Dustin keeps Dart as a pet, initially seeing it as harmless until it evolves into a much more dangerous creature.
• Its Stage 1 appearance has similarities to the slug creatures, indicating either they are simply the evolved form of the latter or related. It was also theorized to be some sort of new reptile species or a type of tadpole by Dustin.
• D'Artagnan is named after the main character from 'The Three Musketeers ' by Alexandre Dumas. This explains why Dart's favorite food is a Three Musketeers candy bar.