The Book of Dragons

The complete book of dragons for the movies, show, and books.

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Arsenic Adderwing

Name: Arsenic Adderwing

Nickname: Arsenic Adderwing

Class: Bog Dragon

Fear Factor: 9

Attack: 10

Speed: 2

Size: 1

Disobedience: 8

Hibernation: Unknown

Trainability: Non-trainable

Allegiance: Neutral in the Rebellion

Language: None

Abilities: Poisonous

Colors: Red spot in their tail

Description: “Arsenic Adderwings look exactly like glowworms, apart from the red spot in their tail. DO NOT TOUCH THEM. Arsenic Adderwings cannot stand the color yellow. (Their only known predator is a Toxic Nightshade.)” (HTTYD: The Complete Book of Dragons)

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Venomous Vorpent

Name: Venomous Vorpent

Nickname: Vorpent

Class: Bog Dragon/Nanodragon

Fear Factor: 9

Attack: 9

Speed: 8

Size: 1

Disobedience: 9

Hibernation: Unknown

Trainability: Non-trainable

Allegiance: Neutral in the Rebellion

Language: Dragonese

Abilities: Poisonous

Colors: Bright yellow

Description: “This bright yellow nanodragon carries poison in the glands in its neck and tail. The sting of a Venomous Vorpent is absolutely always fatal. ... Close relative: Sand Rattler.” (How to Speak Dragonese)

“Don’t be deceived by the Venomous Vorpent’s tiny size. It numbs the skin before attacking. By the time you realize you’ve been stung, it may be too late!” (How to Steal a Dragon’s Sword)

“The only known antidote to Vorpent venom is the vegetable that no one dares name (a potato), which can only be found in the-land-that-does-not-exist (America).” (HTTYD: The Complete Book of Dragons)

Additional Information: The Venomous Vorpent’s Vorpentitis symptoms are listed in its poem: 

“I am the Venomous Vorpent,

Deadlier than an asp soaked in arsenic,

More toxic than toadstool flavored tarantula.

Are you cough-y and cold-y and snotty and wheezy?

Are you mad? Are you sad? Do you feel queasy?

Is your skin so hot it is starting to smoke?

Is your throat so stiff it is making you choke?

If you fall down DEAD, perhaps you too

Have been stung by the VENOMOUS VORPENT.” (How to Cheat a Dragon’s Curse)

Notable Dragons: The Venomous Vorpent that stung Hiccup

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Poisonous Piffleworm

Name: Poisonous Piffleworm

Nickname: Piffleworm

Class: Bog Dragon

Fear Factor: 9

Attack: 8

Speed: 7

Size: 2

Disobedience: 10

Hibernation: Wintersleeper

Trainability: Non-trainable

Allegiance: Neutral in the Rebellion

Language: Dragonese

Abilities: Poisonous (x2)

Description: “The bite of a Piffleworm is so deadly that you will be killed in a quarter of a second. Piffleworms, however, cannot stand the sound of whistling, and they freeze like statues when they hear this noise.” (A Hero’s Guide to Deadly Dragons)

“Also known as ‘the bookworm’ because it feeds on paper. (HTTYD Trading Card)

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Marsh Tiger

Name: Marsh Tiger

Nickname: Tiger

Class: Bog Dragon

Fear Factor: 2

Attack: 2

Speed: 3

Size: 3

Disobedience: 6

Hibernation: Unknown

Trainability: Trainable; Riding Dragon

Allegiance: Human side in the Rebellion

Language: Dragonese

Abilities: None

Description: “Marsh Tigers are riding dragons that live in the marshes in the wild. They have webbed feet and prominent noses so that they can breathe while wallowing in the mud. They are known as ‘Tigers’ because of the characteristic striped pattern of their skin.

Marsh Tigers lay their eggs in little nests shaped like baskets, which drift like floating islands down the stream. The eggs are brightly colored in a tiger pattern to let other dragons know the eggs are highly poisonous.

Marsh Tigers have an unfortunate downside as riding dragons. Whenever they see water, they submerge themselves to their nostrils. Unless they can be trained out of this, it is very inconvenient for the rider.” (HTTYD: The Complete Book of Dragons)

Additional Information: “Webbed feet for swimming through marshes.” (HTTYD: The Complete Book of Dragons)

Notable Dragons: Tuffnut Junior’s Marsh Tiger

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Long-Eared Caretaker Dragon

Name: Long-Eared Caretaker Dragon

Nickname: Caretaker Dragon

Class: Bog Dragon

Fear Factor: 3

Attack: 6

Speed: 4

Size: 5

Disobedience: 1

Hibernation: Unknown

Trainability: Trainable; Driving Dragon

Allegiance: Human side in the Rebellion

Language: Dragonese

Abilities: Dangerous gases

Description: “These dragons make excellent guard dogs and babysitters ...” (How to Seize a Dragon’s Jewel)

Additional Information: “Long-Eared Caretaker Dragon ears make very good handkerchiefs.” (HTTYD: The Complete Book of Dragons)

“After she lays her eggs, the female Long-Eared Caretaker Dragon places them carefully inside the ears of the male where they will be warm and dry until they hatch.” (HTTYD: The Complete Book of Dragons)

“Long-Eared Caretaker Dragons carry their babies in their ears.” (HTTYD: The Complete Book of Dragons)

“Learning to walk is hard for Long-Eared Caretaker Dragons because they are always accidentally tripping over their own ears...” (HTTYD: The Complete Book of Dragons)

Notable Dragons: Fishlegs’ Caretaker Dragon

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Gloomer

Name: Gloomer

Nickname: Gloomer

Class: Bog Dragon

Fear Factor: 2

Attack: 2

Speed: 3

Size: 4

Disobedience: 2

Hibernation: Unknown

Trainability: Trainable; Driving Dragon

Allegiance: Human side in the Rebellion

Language: Dragonese

Abilities: None

Description: “Gloomers are prone to sadness and depression. A Gloomer egg becomes so heavy over the course of its incubation that it sinks lower and lower into the ground, eventually forming a deep well.” (HTTYD: The Complete Book of Dragons)

“Gloomer eggs are as dark and heavy as lead, so even when freshly laid they are difficult to lift. They get denser and denser as the dragon incubates inside, sinking lower and lower into the ground, until by the time the egg hatches, the infant dragon is born at the bottom of a deep well.” (HTTYD: The Complete Book of Dragons)

Additional Information: “Trying to cheer up a baby Gloomer can be tricky.”  (HTTYD: The Complete Book of Dragons)

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Monstrous Nightmare (Books)

Name: Monstrous Nightmare

Nickname: Nightmare

Class: Bog Dragon

Fear Factor: 3

Attack: 6

Speed: 8

Size: 3

Disobedience: 3

Hibernation: Wintersleeper

Trainability: Trainable; Hunting Dragon

Allegiance: Dragon side in the Rebellion

Language: Dragonese

Abilities: Super eyesight, super hearing, super smell, speedy

Colors: Emerald green, brilliant scarlet, deepest purple

Description: “The Monstrous Nightmare is the largest and most terrifying of the domestic dragons. Dazzling flyers, magnificent hunters, and fearsome fighters, they can be wild and difficult to train. By unofficial Viking Law, only a Chief or the son of a Chief can own one.” (How to Train Your Dragon)

“... Bite is slightly poisonous.” (How to Train Your Dragon)

Notable Dragons: Killer—Thuggory’s dragon; Hookfang—Stoick’s dragon; Fireworm—Snotlout’s dragon; [Nameless]—Very Vicious the Visithug’s Dragon

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Sidewinder

Name: Sidewinder

Nickname: Sidewinder

Class: Bog Dragon

Fear Factor: 2

Attack: 4

Speed: 6

Size: 2

Disobedience: 6

Hibernation: Unknown

Trainability: Unknown

Allegiance: Neutral in the Rebellion

Language: Dragonese

Abilities: Super hearing, x-ray vision, chameleon, hypnotic powers

Description: “Sidewinders are chameleons, about the size of a small cat. They hunt in packs and perform hypnotizing dances to confuse their victims. Sidewinders are hunted by many other dragons, so they have extra eyes; camouflage; and a wiggling, sideways flying movement to evade attackers. The chameleon eggs of Sidewinders have small holes, through which the infant Sidewinder keeps an eye out for predators. If a predator approaches, the Sidewinder egg rolls rapidly to safety, hiding in a nearby tree stump or patch of flowers.” (HTTYD: The Complete Book of Dragons)

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Big Spotted Gormless

Name: Big Spotted Gormless

Nickname: Gormless

Class: Bog Dragon

Fear Factor: 3

Attack: 3

Speed: 1

Size: 8

Disobedience: 7

Hibernation: Wintersleeper

Trainability: Non-trainable

Allegiance: Neutral in the Rebellion

Language: Dragonese

Abilities: Can be born with more than one head, very large (x2)

Description: “Gormlesses are vegetarian, feeding slowly and happily on vast areas of wood and forest.” (HTTYD: The Complete Book of Dragons)

Additional Information: “Gormlesses are way too lazy to breed, so there are not that many of them.” (HTTYD: The Complete Book of Dragons)

“Although Gormless are very good-natured, they are also shortsighted, so they will often accidentally sit on a village, not realizing it is there.” (HTTYD: The Complete Book of Dragons)

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Rhinoback

Name: Rhinoback

Nickname: Rhinoback

Class: Bog Dragon

Fear Factor: 7

Attack: 7

Speed: 5

Size: 8

Disobedience: 8

Hibernation: Unknown

Trainability: Non-trainable

Allegiance: Dragon side in the Rebellion

Language: Dragonese

Abilities: Dangerous gases, can be born with more than one head, very large

Description: “Rhinobacks are aggressive carnivores and will attack human towns and villages out of pure spite, as well as for food.” (HTTYD: The Complete Book of Dragons)

Additional Information: “Rhinobacks don’t like the smell of cheese.” (HTTYD: The Complete Book of Dragons)

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Flying Gator

Name: Flying Gator

Nickname: Gator

Class: Bog Dragon

Fear Factor: 6

Attack: 4

Speed: 5

Size: 4

Disobedience: 7

Hibernation: Unknown

Trainability: Non-trainable

Allegiance: Neutral in the Rebellion

Language: Dragonese

Abilities: Extra-scary teeth, extra-scary talons or horns 

Colors: Green (presumably)

Description: “These dragons are related very closely to alligators and crocodiles. Many goggles of Gators can be found in the soggy bogs of the Haunted Marshes. They lie silently submerged up to their eyeballs in the mud so that they can launch a surprise attack on an infant Marsh Tiger or a baby Gloomer.” (HTTYD: The Complete Book of Dragons)

Additional Information: “Gators are extremely stupid, so if you are attacked by one, imitate the ticking noise of a Toxic Nightshade, and it will immediately release you and swim away through the bog, despite the fact that human beings are WAY too large to be confused with a Toxic Nightshade...”  (HTTYD: The Complete Book of Dragons)

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Flashfang

Name: Flashfang

Nickname: Flashfang

Class: Bog Dragon

Fear Factor: 3

Attack: 3

Speed: 7

Size: 3

Disobedience: 6

Hibernation: Unknown

Trainability: Non-trainable

Allegiance: Neutral in the Rebellion

Language: Dragonese

Abilities: Extra-scary teeth, speedy

Colors: Black, gray

Description: “These are lithe black panther-like creatures, a little smaller than a wolf. Too large to be a hunting dragon, too small to be a riding dragon, and curiously untrainable, Flashfangs are a real pest to the Vikings. They snatch Viking deer. They kill Viking sheep. So every now and then, the Viking Tribes go on a Flashfang hunt to keep down the numbers of these ‘vermin’.” (HTTYD: The Complete Book of Dragons)

“The water will kill the Flashfangs. Flashfangs can’t swim.” (How to Speak Dragonese)

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Common or Garden and the Basic Brown

Name: Common Dragon, Garden Dragon, Basic Brown

Nickname: “The Common or Garden and the Basic Brown”, Common-or-Garden

Class: Bog Dragon

Fear Factor: 4

Attack: 3

Speed: 4-8

Size: 4

Disobedience: 1

Hibernation: Wintersleeper

Trainability: Trainable; Hunting Dragon

Allegiance: Human side in the Rebellion

Language: Dragonese

Colors: Green and yellow (common & garden), all shades of brown (basic brown)

Description: “The Common or Garden and the Basic Brown are so similar that they can be dealt with together. These are the most familiar breeds - the ones we instantly think of when we say ‘dragons’. They are poor hunters, but they are easy to train. These dragons are the best kind of family pets, although, as with a lion or a tiger, they should never be left unsupervised with very young children.” (How to Train Your Dragon)

"One of the only interesting features of the Common or Garden dragon is that its eyes light up in the dark." (How to Be a Pirate)

Notable Dragons: Horrorcow—Fishlegs’ hunting dragon

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Red Tiger

Name: Red Tiger

Nickname: Red Tiger

Class: Tree Dragon

Fear Factor: Unknown

Attack: Unknown

Speed: Unknown

Size: Unknown

Disobedience: Unknown

Hibernation: Unknown

Trainability: Trainable; Riding Dragon

Allegiance: Human side in the Rebellion

Language: Dragonese

Abilities: Speedy

Colors: Unknown; presumably red

Description: Not much information is given about the Red Tiger, aside from the “Dragon Eggs” section and the “Know Your Dragons” key in the back of The Complete Book of Dragons.

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Poison Darter

Name: Poison Darter

Nickname: Poison Darter

Class: Tree Dragon

Fear Factor: 7

Attack: 9

Speed: 8

Size: 7

Disobedience: 9

Hibernation: Unknown

Trainability: Trainable

Allegiance: Dragon side in the Rebellion

Language: Dragonese

Abilities: Super eyesight, extra-scary talons or horns, super smell, poisonous

Colors: The dark green of the forest

Description: “Poison Darters shoot little arrows out of their mouths which carry a venom that kills smaller animals and sends larger victims temporarily to sleep. They live in hollow trunks of the wilder forests of the Archipelago.” (How to Break a Dragon’s Heart)

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Dreamserpent

Name: Dreamserpent

Nickname: Dreamserpent

Class: Tree Dragon

Fear Factor: Unknown

Attack: Unknown

Speed: Unknown

Size: Unknown

Disobedience: Unknown

Hibernation: Unknown

Trainability: Non-trainable

Allegiance: Neutral in the Rebellion

Language: Dragonese, Norse

Abilities: Chameleon, can look into the future

Description: Mentioned briefly by name in How to Speak Dragonese, as well as on the “Know Your Dragons” key in the back of The Complete Book of Dragons.

“[Their droppings] can drift through the air, as light as cobwebs.” (HTTYD: The Complete Book of Dragons)

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Bullingdozer

Name: Bullingdozer

Nickname: Bullingdozer

Class: Tree Dragon

Fear Factor: Unknown

Attack: Unknown

Speed: Unknown

Size: Unknown; “very large”

Disobedience: Unknown

Hibernation: Unknown

Trainability: Unknown

Allegiance: Neutral in the Rebellion

Language: Dragonese

Abilities: Hypnotic powers, can be born with more than one head, very large 

Description: Only mentioned in the “Dragon Tracking” section and the “Know Your Dragons” key in the back of The Complete Book of Dragons. Nothing else is known. (HTTYD: The Complete Book of Dragons)