All the dragons in HTTYD

Stoker Class

* Monstrous Nightmare
* Terrible Terror
* Red Death
* Typhoomerang
* Fireworm
* Fire Terror
* Singetail
* Hobblegrunt
* Flame Whipper
* Green Death
* Night Terror

## Boulder Classedit | edit sourceedit | edit source

Boulder Class dragons are tough dragons and are associated with the earth. They can eat rocks, and although they have small wings relative to their body size, they are able to fly as fast and as high as most other dragons can. The dragon species included in the Boulder Class are:

* Gronckle
* Hotburple
* Whispering Death
* Screaming Death
* Catastrophic Quaken
* Eruptodon
* Sentinel
* Snafflefang
* Grapple Grounder
* Crimson Goregutter

## Tracker Classedit | edit sourceedit | edit source

The Tracker Class is a new class discovered in Race to the Edge. The symbol of this class reuses the Fear Class symbol, despite the Hideous Zippleback not belonging to this Class. Natural born hunters, Tracker Class dragons have a highly acute sense of smell or taste that enables them to track down and find things. The dragon species included in this class are:

* Rumblehorn
* Thunderclaw
* Mudraker

## Sharp Classedit | edit sourceedit | edit source

Sharp Class dragons are vain and prideful species, and they all possess sharp body parts. The dragons included in this class are:

* **Deadly nadder (also in tracker class)**
* Stormcutter
* Timberjack
* Razorwhip
* Grim Gnasher
* Speed Stinger
* Shadow Wing
* Raincutter
* Windstriker
* Stinger
* Shivertooth
* Prickleboggle
* Devilish Dervish
* Silver Phantom
* Thornridge

## Tidal Classedit | edit sourceedit | edit source

Tidal Class dragons live in or near the ocean, and unlike most dragons, they do not breathe fire as their ranged attacks, and although very few can, they rarely do use them. The dragons in this class are generally larger in size than most of the other classes. Hiccup also stated that Tidal Class dragons don't react well to signs of aggression. The dragons included are:

* Thunderdrum
* Scauldron
* Seashocker
* Submaripper
* Shellfire
* Sliquifier
* Sand Wraith
* Tide Glider
* Shockjaw
* Windwalker
* Purple Death
* Luminous Krayfin
* Bewilderbeast

## Mystery Classedit | edit sourceedit | edit source

Little is known about the Mystery Class dragons due to how stealthy and sneaky they are. Dragons in this class are generally more feared than those in the other dragon classes. The dragon species included are:

* Hideous Zippleback
* Changewing
* Lycanwing
* Boneknapper
* Armorwing
* Dramillion
* Smothering Smokebreath
* Flightmare
* Buffalord
* Slithersong
* Slitherwing
* Snow Wraith
* Sandbuster
* Cavern Crasher
* Gobsucker
* Sweet Death
* Sword Stealer
* Foreverwing
* Death Song
* Hobgobbler
* Silkspanner
* Snaptrapper

## Strike Classedit | edit sourceedit | edit source

Strike Class dragons are characterized by their "blazing speed, vice-like jaw strength, and extreme intelligence," as well as pinpoint accuracy, powerful attacks, explosive firepower and a unique ability to allow them to navigate in their respective environments/atmosphere. The dragons in this class are some of the rarest of all dragons, and some are close to extinction. They are also the most difficult to train but the most loyal once they have been trained, they are also generally among the most powerful dragons. The dragons included are:

* Night Fury
* Triple Stryke
* Skrill
* Deathgripper
* Snow Wraith
* Light Fury
* Night Light