How to Train Your Dragon (Hiccup)

Toothless boy

General information
The Night Fury is a rare and unique species of dragon, belonging to the "Strike" class. For a long time, these dragons were considered a myth, rarely seen, only heard as a whistle in the night, a flash of purple light, and a powerful explosion. The only confirmed member of this species in the franchise is Toothless, the Viking Hiccup's faithful friend.
Coloration: Jet-black scales help camouflage against the night sky. Under special lighting, a dark gray pattern can be seen on the flanks, fading to the neck and tail, blending into small stripes on the legs. The outer wings also have spots of the same shade, but of varying sizes. Biology and Anatomy
Dimensions: Average size – length about 8 meters (from head to tail), wingspan – about 15–16 meters, weight – about 800 kilograms.
If they stick out a couple, it's forever.

Nightmare Zipper (Bars and Vepr). This dragon has two heads, each with its own personality. One head exhales flammable gas, and the other ignites it with a spark, creating a fiery explosion. These dragons are ridden by the twins Zabiyaka and Zadiraka.
Dramillion. Nicknamed "the parrot among dragons" due to its curved beak, its main feature is its ability to mimic the flames of any other dragon it has ever seen. With age, these dragons become more powerful: "titanium" specimens gain the ability to change the color of their scales, and their own flames begin to explode on contact.
Changewing. Able to perfectly camouflage itself from birth. When threatened, it can release a corrosive acid that corrodes almost any material, or use a hypnotic gaze to put the enemy into a trance.
The Great Troublemaker. A gigantic sea dragon. Its strength lies not only in its size and fearsome fangs, but also in its ability to bend the will of other dragons, turning flocks into its own army. It creates icy nests where it shelters its kin and catches fish for them.
Some common features
Many dragons in this universe are capable of training and taming. The key here is mutual understanding and trust, not just force.
Each species often has its own weaknesses that can be exploited by opponents.
Dragons often live in flocks and have a complex social structure.

Stokers are distinguished by their high firepower. Some can set their own bodies on fire.
Stone Eaters are hardy dragons that can digest rocks.
Clawed ones - they have developed spikes, claws or horns.
Mysterious - little is known about many of them, they often lead a secretive lifestyle.
Bloodhounds have an excellent sense of smell and can track their target for a long time.
Aquatic creatures live in or near water. Interestingly, most of them use boiling water, poison, electricity, or ice as weapons, rather than fire.
The Strikers are distinguished by their increased intelligence, incredible flight speed, powerful and unique attack, and masterful camouflage.
Some striking examples
I chose dragons that are most often seen in cartoons and that convey the diversity of the world well.

Night Fury (Toothless). One of the most mysterious and intelligent species. Its black scales help it blend into the night sky. Instead of normal flames, it produces plasma blasts that explode on impact. It also possesses echolocation and can summon lightning.
Evil Nadder (Stormfly). Astrid's dragon. Swift, agile, and intelligent. He has a bright coloring, and his tail has dangerous spikes that he can throw with precision. He can also smell things from a great distance, but he has a blind spot right in front of his nose.
The Terrible Beast (Hookfang). Smork's Dragon. One of the most flammable: it can ignite its own body, covering itself in flames to frighten its enemies. Its appearance resembles a huge flying reptile with powerful jaws.
Gronmel (Sausage). Fishlegs' dragon. It has a large head, a short body, and a club-like tail. Its wings are small relative to its body, but it flaps them very quickly (like a bumblebee or hummingbird) and is distinguished by its endurance. It can swallow rocks and then spit them out as red-hot cannonballs.
Nightmare Pristegolov (Leopard and Boar). This dragon has two heads, each with its own character. One head exhales flammable gas, and the other ignites it with a spark, creating a fiery explosion.

A couple more interesting details
The Light Fury has a cool ability: plasma camouflage. She can temporarily become virtually invisible by heating her scales, causing them to reflect her surroundings. This allows her to blend in with clouds, sea fog, or foliage. She can also use the plasma blast as a distraction.

Appearance
The Light Fury has a very graceful, even feminine appearance. Here's what gives her away:

Color. The predominant color is white, but the scales aren't just white: they shimmer with mother-of-pearl shades—pink, pale blue, and cream. This makes them appear as if they're covered in tiny sparkles.
Eyes. Piercing, light blue.
The head. It has only four appendages (they function as ears), not eight like the Night Fury's. There are small bumps on the back of the "ears."
Body and limbs. The overall shape is similar to that of the Night Fury, but the contours are more rounded. A single, long, thin crest runs down the back, forking toward the end, forming a "fork" (the Night Fury's crest is made up of individual spines in a row). The front and hind legs have fin-like appendages rather than spines.
Wings and tail. The wings are triangular, with smooth surfaces. The caudal fins are also smooth, and their shape resembles a heart.
Character
She has a contradictory character, but very lively.

At first, she's cautious and timid. Initially, the Light Fury is wild: she's wary of other dragons and very afraid of humans.
But there's another side to her. When she meets Toothless, tenderness and playfulness awaken within her. She even tries to court him—for example, by performing a mating dance.
Determination. Despite her timidity, she's capable of bold actions. For example, she overcomes her fear and goes to the human camp to see Toothless.
Aggression in danger. If something threatens her or those she has accepted as friends, she can become very determined and even aggressive.
Feline habits. Her behavior displays traits typical of cats: she can strike with her paw like a cat, and she has a rather feline gait.
The ability to trust. Over time, she begins to accept Hiccup and the other members of the Hooligan Tribe as friends. Moreover, she remembers them even after almost ten years, and greets them joyfully.

Sausage (Grommel)
Appearance: Light brown with darker "pimples." She has thick paws, a club-shaped tail, and yellow eyes. Two large front teeth protrude like knives on her lower jaw.

Personality: Good-natured, lazy, and a bit capricious. Enjoys physical contact and can purr (the sound is caused by the friction of gravel in its stomach). It is friendly with its rider, Fishlegs, and can sometimes display maternal care. However, if angered or threatened, it can become dangerous.

Hookfang (The Terrible Beast)
Appearance: Reddish-orange scales with darker spots. The underparts are light brown, and the eyes are yellowish-orange. It has large, shiny gray-black horns (slightly curved outward). Ridges may appear on the neck, and barbels may eventually appear on the chin.

Personality: Cocky and aggressive, especially when irritated. Trait: When angry, he can set his body on fire to express his emotions. He's also capable of caring and self-sacrifice. Interestingly, he often acts contrary to the commands of his rider, Snotlout, but they complement each other perfectly in battle. Stormfly (Evil Nadder)
Appearance: turquoise scales, light beige underparts. The shoulder joints have ochre hues that gradually transition to purple and red. Blue spots outlined in yellow mark the wings. Large spikes on the tail, which she can fire accurately. Another detail is the horn on the muzzle.

Personality: Generally friendly and playful, she loves to have fun and chase flying objects. She's also vain: she's aware of her beauty and preens herself. She's loyal to Astrid, but can help others when needed (for example, she saved Heather). She's dangerous in combat, but often uses non-lethal techniques to intimidate enemies. She can be aggressive when truly needed.

Toothless (Night Fury)
Appearance: Jet-black scales. In the first films, there were light spots on his sides and wings, similar to a manta ray, but these disappeared over time—by the third film, his coloring had become completely black. He has two pairs of wings (a main one and a smaller one at the base of the tail) and bright green eyes (sometimes acid or emerald green), which are positioned fairly close to the front of his face—this gives him excellent depth perception in flight. Another unique feature: he can retract his teeth into his gums—hence his nickname.

Personality: Very intelligent, with a dry sense of humor similar to Hiccup's. Shows great curiosity and imitates his owner's actions. Loyal and protective: he never hesitates to risk his life for Hiccup. At the same time, he knows how to have fun and come up with entertainment for his friend. When angry, he constricts his pupils to slits (like a cat), and when pleased, he dilates them (almost like a dog).

Snotlout Jorgenson
Personality: Smug, boastful, loves being the center of attention. He often acts like a bully and tries to prove he's better than everyone else. But despite all his bravado, Snotlout is not without courage and is ready to help his friends in times of crisis. Over time, he learns to acknowledge others' accomplishments and becomes more reliable.

Appearance: A tall, strong man with a distinctive hairstyle and a confident demeanor. He wears flashy Viking gear, emphasizing his "toughness." His dragon is Hookfang (a Terrible Beast), and Snotlout's appearance reflects this fiery, vibrant nature.

Ruffnut and Tuffnut (the Thorston twins)
Personality: Loud, impulsive, they love to play dirty and argue with each other, but they're also truly loyal to the team. They don't always think before they act, but they know how to defuse tension and keep everyone entertained. Together, they're a whirlwind of energy.

Appearance: The twins are similar, but they have differences in details: hairstyles, armor elements, accessories. Their style is deliberately a bit "messy" and daring: spikes, belts, bright details. They look as if they've just pulled off some mischief and are already planning the next one.

Stoick the Vast (Hiccup's father, the tribe's leader)
Personality: Stern but fair, deeply responsible for his people. For a long time, he believed dragons were the ultimate evil, and the Vikings' primary mission was to destroy them. For him, strength and courage are the highest values, so he worries about his son's "unheroic" character. But Stoick is capable of change: he is willing to protect his people and make difficult decisions for the greater good.

Appearance: A large, powerful man with an imposing figure. He has long, blond hair and a thick beard. He wears massive Viking armor, fur trim, and prominent chieftain's insignia. He looks as if he could hold an entire ship—and yet his eyes always reflect concern for the tribe.

Gobber (blacksmith, Hiccup's mentor)
Personality: Grumpy on the outside, but very kind and wise on the inside. He has a caustic sense of humor and a tendency to do things the old-fashioned way, but he's the first to notice Hiccup's talent and supports him, even when others laugh. Gobber is the one who explains the world of Berk and helps the heroes stay on track.

Appearance: A strong, stocky man with a beard, dressed in a blacksmith's work clothes. He often wears an apron, tools at hand. He has a noticeable scar and a slightly "worn" appearance—as if he's spent his whole life fighting metal and dragons.

Fishlegs
Personality: Kind, a little timid, but incredibly well-read and passionate. He adores dragons and knows a ton about them. Fishlegs isn't the strongest in combat, but he often provides crucial clues that save the team. He's loyal to his friends and strives to be helpful, even if his nerves can get in the way.

Appearance: A large, stocky man, he looks like he'd rather sit with a book than fight. He wears simple Viking clothing, often with dragon-themed elements (patches, belts, etc.).

Hiccup
Personality: Smart, resourceful, empathetic, initially unsure of himself, but eventually becoming a leader. He doesn't believe that strength is just brute force: understanding, compassion, and the ability to think are more important to him. Hiccup doesn't want to kill dragons, but rather to understand them—and this is what changes the entire world of Berk.

Appearance: A teenager (later a young man) of short stature, with reddish-brown hair and green eyes. He wears practical Viking clothing: tunics, trousers, and fur boots. A key detail is a prosthetic leg after the battle with the Red Death. Over time, his appearance becomes more combat-ready: he gains armor, riding gear, and, finally, fireproof armor made from Toothless's scales.

Toothless (Night Fury)
Personality: Highly intelligent, loyal, playful, but deadly in combat. He's acutely aware of Hiccup's mood and reacts to it. Toothless doesn't obey out of fear, but follows Hiccup because they share a trusting bond.

Appearance: A completely black dragon with smooth scales that almost blend into the night. It has large, expressive eyes, distinctive "ear" appendages, and folding fins on its back. A distinctive feature is its ability to hide its teeth, which is where it gets its name. It is incredibly fast and maneuverable in flight.

Astrid Hofferson
Personality: Strong, determined, independent, and initially quite strict and straightforward. At first, she considers Hiccup "not quite right," but then sees his intelligence and courage and becomes his main supporter. Astrid doesn't like empty words—she takes action. Over time, she learns to trust not only Hiccup's strength, but also his ideas.

Appearance: A strong, athletic woman with long, blond hair, often pulled back into a braid. She wears Viking combat gear: leather trim, shoulder pads, gloves, sturdy pants, and boots. Her dragon is Stormfly (a Nadder), and Astrid's style emphasizes this connection: her gear is full of sharp, spiky details.

Viking life was simple yet sophisticated: wooden houses with thatched roofs, forges, training grounds, a harbor for ships. Everything was made of wood, stone, and metal, designed to withstand the harsh climate and constant threats.
The Basic Ideas of the Universe
Overcoming stereotypes. History shows that an "enemy" can turn out to be a friend, and that strength lies not only in brawn but also in intelligence, empathy, and ingenuity.
Responsibility for power. Mastering a dragon isn't about power, but about responsibility: you must protect and understand your friend.
Family and community. Not only personal achievements are important, but also the support of loved ones and the ability to work in a team.
Expansion of the universe
In addition to the three main films, the universe includes:
Animated series (Dragons and Riders of Berk, Dragons: Race to the Edge) - they show everyday life on Berk, new species of dragons, and adventures between the films.
Short films ("The Legend of the Bonebreaker," "The Book of Dragons") provide additional stories and background information about dragons.
Specials (such as How to Train Your Dragon: Homecoming) tell the story of the characters' lives years later.

Important features of society:

Hierarchy. The Chief (Stoic the Vast) is the most important, his word is law.
Trials. Young Vikings undergo training and tests of courage.
Holidays and traditions. For example, Snogletog is a Christmas-like festival where Vikings decorate their homes, give gifts, and hold feasts.
Dragons and their role
Dragons are the heart of the universe. There are dozens of species, each with its own character, abilities, and habits. For example:
The Night Fury (Toothless) is a rare, intelligent, and incredibly fast dragon, nearly invisible in the dark. It can fire plasma blasts with precision and extinguish the flames at the last moment.
The Light Fury is mysterious and wary, its scales reflecting light, making it almost invisible against the sky.
Evil Serpentine (like Astrid's) - produces red-hot spikes and powerful flames.
Stormfly is fast and maneuverable, using spikes as weapons.
Dragons are more than just vehicles: each has its own personality, habits, and even a sense of humor. Their bond with their rider is built on trust, not subordination.
Technology and everyday life
Despite the "ancient" surroundings, the Vikings actively invent:
Prosthetics and mechanisms. Hiccup creates a prosthetic for himself and a special tail for Toothless so he can fly.
Flight equipment. Saddles, harnesses, protective suits, shields, and even weapons adapted for aerial combat.
Tools for studying dragons. Books, reference books, and dragon-safe traps—all of this helps you better understand their behavior.

Character
At the beginning of the franchise, Hiccup is rather insecure, withdrawn, and even a little awkward. He doesn't seem like a typical Viking: he's physically weak, which often leads his father and fellow tribesmen to dismiss him as unimportant. However, he does have important traits that gradually emerge:

Intelligence and ingenuity. Hiccup loves reading, observing, and inventing gadgets—like the "thunder ears" or the device that helped Toothless fly again.
Compassion. This is what becomes key: when Hiccup shoots down a Night Fury, he can't kill the wounded dragon because he sees himself in it—frightened and defenseless. This empathy leads to friendship.
Sarcasm. He often resorts to irony in his communication, especially when he feels insecure.
Leadership and strategic acumen. Over time, Hiccup gains composure, becoming a natural leader and an excellent strategist. He doesn't just want to prove his strength—he strives to change the world by achieving peace between Vikings and dragons.
Loyalty. He values ​​his friends (Astrid, Fishlegs) very much and is willing to do anything for them.
Appearance
Hiccup's appearance changes as the story progresses:

In the first film, he is a short teenager with reddish-brown hair, green eyes, and fair skin.
As the franchise progresses, he grows: in the second film, he is already noticeably taller than his peers.
In The Hidden World, he gains stubble, and in the epilogue, a full beard.
As for his attire, he initially wears a simple light green long-sleeved tunic, brown fur boots, dark green pants, and a belt with a knife. Later, he gains rider gear, leather armor, and, in the finale, fireproof armor made from Toothless's scales.
An important detail: after the battle with the Red Death, Hiccup receives a prosthetic leg. The series "Riders of Berk" shows that the prosthesis is multifunctional: it can quickly switch from a grappling hook for flight to a hoof-like prosthesis for walking.

World and Geography
The main location is the island of Berk. It's a harsh, rocky island with steep cliffs, dense forests, and a bay home to a Viking village. The climate is cold, windy, and rainy, surrounded by the endless ocean. Due to constant dragon attacks, the village is surrounded by a palisade and equipped with catapults.

Besides Berk, other locations appear in the films:

Ice caves and wild lands where Vikings go in search of new dragons.
The Hidden World is a secret, labyrinthine cavern leading to a gigantic underground valley where wild dragons live. It is their last safe haven.
Viking Society
The Vikings of Berk are a tribe that lives by strict traditions: strength, bravery, and combat prowess are considered the most valuable virtues. Their culture is built around war with dragons: dragons are enemies to be exterminated, and the best warrior is the one who has killed the most dragons.

But this system is gradually changing: Vikings are learning to tame dragons, fly them, and harness their abilities. New professions are emerging—for example, dragon riders, trainers, and dragon caretakers.