How to Train Your Dragon Crossovers
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Hold on by CelesteGurl
Hadley becomes best friends with new kid in town Jack. Soon after they grow feelings for each other, Will they make it? Or are they better as friends? Lets find out! Hadley is an OC!
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: K+ - English - Romance/Friendship - Chapters: 1 - Words: 1,392 - Published: 8h
Dragons In Shadows by OwlsWingProductions reviews
"Honestly, we're the dream team. Let's take over the world together." Jack grinned, throwing one long arm around Hiccup's scrawny shoulders... "Come on, Hic! You and me, just like we always planned!" (The big four, Hogwarts AU, Fourth Year. No pairings.)
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - English - Adventure/Friendship - Chapters: 14 - Words: 69,631 - Reviews: 115 - Favs: 35 - Follows: 39 - Updated: 9h - Published: 11/24/2016 - Hiccup, Toothless, Jack Frost, Jack's sister
Guardians Paranormal Group by AllianceXCross reviews
When Hiccup gets curious about a camera in an abandoned building, he runs into some big trouble. Now, he must work under a young, narcissistic and handsome boss of the paranormal group. But, little does he know, Hiccup has more connections to the other world than he would like to admit.
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - English - Supernatural/Adventure - Chapters: 9 - Words: 35,765 - Reviews: 22 - Favs: 13 - Follows: 22 - Updated: 14h - Published: 1/15 - Hiccup, Jack Frost
Hogwarts: RotBTFD and Great Wonders (Y1-5) by UnknownBlackHand reviews
This is an engaging story of all seven years in one volume, with hints of every emotion, brilliant friends, diabolical villains, a level of tension, and exciting climaxes! Best of all, it has a great balance of elements of every storyline involved! It is sure to bring warmth to a frozen heart for those who are brave enough to read it.
Crossover - How to Train Your Dragon & Frozen - Rated: T - English - Adventure/Fantasy - Chapters: 82 - Words: 200,269 - Reviews: 125 - Favs: 48 - Follows: 62 - Updated: 18h - Published: 12/29/2015 - Hiccup, Toothless, Elsa
Adventures of Hicca Haddock by T.rex98
Having grown tired of the way her village was treating her, Hicca runs away from Berk and gets caught in a huge storm. She washes up on the beach of a land filled with amazing technology and weapons. Before long, Hicca becomes part of this land's army and sets out to become her own woman, her way. FemHiccup story. "T" for partial nudity and other teen-rated stuff.
Crossover - How to Train Your Dragon & Girls und Panzer/ガールズ&パンツァー - Rated: T - English - Adventure - Chapters: 2 - Words: 7,902 - Updated: 2/23 - Published: 2/22 - Hiccup
Hiccup the Trollhunter by The Logical Fallacy reviews
After freeing a Night Fury he hoped to kill, Hiccup finds a strange, glowing Amulet calling his name from beneath a mysterious pile of stone. Now Hiccup is thrust into a new world he never knew existed, torn between the world of trolls underground, dragons flying high above and his village caught dead in the center.
Crossover - How to Train Your Dragon & Trollhunters - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 6,312 - Reviews: 6 - Favs: 3 - Follows: 4 - Updated: 2/23 - Published: 2/20
The Age of Dragons by CastMeAway reviews
With the Saxons growing in strength each day and with the time of Albion drawing near, new allies must be forged. "As white and red clash under an immortal sky, the night's fury calls upon a new dawn." No Slash. Canon Pairings. (More details within).
Crossover - Merlin & How to Train Your Dragon - Rated: T - English - Hurt/Comfort/Adventure - Chapters: 11 - Words: 64,063 - Reviews: 96 - Favs: 105 - Follows: 166 - Updated: 2/23 - Published: 4/13/2015 - [Astrid, Hiccup] Merlin, Arthur
La Prisión Cósmica by Abel Lacie Kiryu reviews
En su tercer año en Hogwarts, Mérida, Hiccup, Jackson y Rapunzel tendrán que usar todas sus habilidades en el Torneo de las Excelencias Mágicas; entre tareas imposibles, dolor físico y emocional, y profesores de otros mundos, se dan cuenta que el torneo no sea lo único de lo que tengan que preocuparse al suponer que Pitch y Gothel quieren encontrar a Mor'du el Invencible.
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - Spanish - Chapters: 1 - Words: 14,280 - Reviews: 7 - Favs: 2 - Follows: 3 - Published: 2/23 - Astrid, Heather, Pitch
How To Tangle Four Brave Guardians by Arwen Eledel reviews
"And again he heard the whistle, the singing and the twang!, only that now they were accompanied by a distant laughter. His laughter." Not your average ROTBTD story – the four meet in different circumstances and ally to protect a surprising someone and to defeat the most unlikely – or at least unexpected – villain. No pairings safe for canonical ones.
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - English - Adventure/Friendship - Chapters: 22 - Words: 46,832 - Reviews: 42 - Favs: 16 - Follows: 26 - Updated: 2/23 - Published: 9/19/2016 - Hiccup, Jack Frost
Fire and Iron by ChibiLover123 reviews
First in the Yin and Yang Series, a How To Train Your Dragon/Marvel Cinematic Universe/Pokemon universe. Rewritten. In a world of powerful Vikings and menacing Dragons, Hillevi is a Hiccup without a place. But things are changing, and maybe a Hiccup can make a difference after all.
Crossover - How to Train Your Dragon & Avengers - Rated: T - English - Adventure/Humor - Chapters: 23 - Words: 44,706 - Reviews: 13 - Favs: 3 - Follows: 5 - Updated: 2/23 - Published: 9/17/2016 - Hiccup, Toothless, Captain America/Steve R., Bucky Barnes/Winter Soldier - Complete
Movie Night by LilithDarkness reviews
Hiccup, Jack, Merida and Rapunzel find themselves being escorted to a mysterious door. No-one is quiet sure whats on the other side. (Rise of the Brave Tangled Dragons)
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - English - Humor - Chapters: 6 - Words: 12,392 - Reviews: 3 - Favs: 3 - Follows: 5 - Updated: 2/23 - Published: 12/12/2016
How to train your Amulet (Redone) by Fireember345
Read inside
Crossover - Amulet & How to Train Your Dragon - Rated: T - English - Chapters: 1 - Words: 26 - Published: 2/23
Protectors of Dragons by LittleSpy99 reviews
Dragons are wonderful beings. But not all see them as that. Some see them as monsters and try to kill them. This point of view changes for Hiccup, a boy who was born into the dragon hunting village Berk, when a Dragonrider takes him from his home to show him a new perspective of the world. (Will include Hijack in later chapters, also maybe a few more crossovers)
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: K+ - English - Adventure/Fantasy - Chapters: 6 - Words: 7,779 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 2/23 - Published: 1/23
The Dragon Academy And The Goblet Of Fire by FlyingHamburgerRider reviews
The Dragon Academy have been taken to Hogwarts to train the dragons for the tasks. Little did they know that something more sinister awaited them. First Story, I Hope You All Enjoy! Takes place after HTTYD 2. I do not own Harry Potter or HTTYD.
Crossover - Harry Potter & How to Train Your Dragon - Rated: T - English - Adventure/Fantasy - Chapters: 11 - Words: 12,214 - Reviews: 46 - Favs: 15 - Follows: 20 - Updated: 2/23 - Published: 7/7/2016 - Albus D., Hiccup, Ruffnut, Toothless
The Big Four and the Phantom Reapers by merwholock4ever reviews
An innocent play date with his sister turns dangerous in seconds when they are attacked by the Phantom Reapers. Jack discovers a hidden ability, his sister is taken from him, and he enters world of healing hair, dragon speaking people, magic, and so much more. But the attack was just the beginning, for a darker and more evil shadow is coming encompass the land. Modern AU
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - English - Adventure/Family - Chapters: 17 - Words: 53,331 - Reviews: 33 - Favs: 27 - Follows: 32 - Updated: 2/22 - Published: 6/2/2015 - Hiccup, Toothless, Jack Frost, Jack's sister
Hiccup the flower by TheFuriousNightFury reviews
What would happen if Flowey came to the HTTYD world?
Crossover - How to Train Your Dragon & Undertale - Rated: K - English - Chapters: 3 - Words: 5,917 - Reviews: 2 - Favs: 2 - Follows: 5 - Updated: 2/22 - Published: 12/22/2016 - Hiccup, Flowey
Let's Have Some Fun by aerinzephyr reviews
A little collection of Modern!AU Hijack oneshots and drabbles.
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: K+ - English - Romance - Chapters: 22 - Words: 20,737 - Reviews: 21 - Favs: 23 - Follows: 26 - Updated: 2/22 - Published: 3/30/2015 - Hiccup, Jack Frost
Eslabones de fuego y hielo by Scorpio251095 reviews
En un mundo donde las criaturas mágicas viven y la magia existe, la esclavitud del pueblo no es uno de sus temas favoritos.
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - Spanish - Romance/Drama - Chapters: 2 - Words: 3,308 - Reviews: 2 - Favs: 4 - Follows: 3 - Updated: 2/21 - Published: 2/5 - [Hiccup, Jack Frost]
The Return by ExiledRonin reviews
It has been years since the dragons have left Berk and now a new threat plagues Berk like never seen before. Who will come and save them?
Crossover - How to Train Your Dragon & For Honor - Rated: T - English - Chapters: 1 - Words: 1,200 - Reviews: 2 - Favs: 2 - Follows: 2 - Published: 2/21 - Complete
An Adventure in Berk by TornadoDog33 reviews
When Sherlock and Watson's plane crashes over Dragons Edge, they are pulled into an adventure with Dragon Riders, Dragon Hunters, and dragons. A whole lot of dragons.
Crossover - How to Train Your Dragon & Sherlock - Rated: T - English - Suspense/Mystery - Chapters: 3 - Words: 3,171 - Reviews: 8 - Favs: 6 - Follows: 5 - Updated: 2/20 - Published: 2/12
Revenge on the Writers by TheBookRider reviews
The book characters have had enough. They're going to do something about the way they've been treated. Percy Jackson, Sophie Foster, Hiccup Horrendous Haddock III, and Will Treaty all team up to get revenge on their creators. One Shot. WARNING! CONTAINS SPOILERS FOR FUTURE BOOKS!
Crossover - Percy Jackson and the Olympians & How to Train Your Dragon - Rated: K - English - Drama/Adventure - Chapters: 1 - Words: 1,721 - Reviews: 3 - Favs: 1 - Published: 2/20 - Percy J., Hiccup - Complete
Rise of the Brave Tangled Dragons: A Dark Season by Season-Spirits
Pitch is back and stronger than ever, the Guardians are captured, four new heroes have to come together and stop the Boogeyman from making a new Dark Age. {Four heroes, one destiny. Three wanting to be themselves, One fearing the Darkness within. They must unite and stop the rising darkness. Will they succeed? Or fail trying?}Rated T for possible fighting/death/blood/violent scenes
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 1 - Words: 632 - Favs: 1 - Follows: 2 - Published: 2/20 - Hiccup, Toothless, Jack Frost, Pitch
Black Knight by pinkkikabae reviews
She attracted the weird company, at least, that's what her grandma Gothi always 'told' her. She thought the woman was just joking with her like the she always did. Hiccup didn't even realize how right Gothi was. Formally called "I'm In Love With A Death God."
Crossover - Bleach & How to Train Your Dragon - Rated: T - English - Family/Hurt/Comfort - Chapters: 4 - Words: 3,021 - Reviews: 62 - Favs: 112 - Follows: 154 - Updated: 2/20 - Published: 8/24/2014 - [Hiccup, Ichigo K.] Astrid
The Dragon Rider by DandyPony reviews
Tony's family was gone, he was stranded on a miserable rock laughingly called an island populated with Vikings, and he was pinned beneath the paw of one of the most dangerous creatures on the planet. HTTYD and Avengers fusion
Crossover - How to Train Your Dragon & Avengers - Rated: T - English - Adventure/Friendship - Chapters: 21 - Words: 62,922 - Reviews: 18 - Favs: 23 - Follows: 28 - Updated: 2/20 - Published: 10/6/2016 - Toothless, Iron Man/Tony S.
The Rise of the Brave Tangled Dragons: The Rise by danielmletchford2 reviews
Pitch Black is back, and Guardians can't stop him. Only Jack Frost can leave his world to go after him, along the way he will make his own Guardians. The Big Four will Rise. But it won't be easy.
Crossover - How to Train Your Dragon & Rise of the Guardians - Rated: T - English - Adventure/Friendship - Chapters: 7 - Words: 18,349 - Reviews: 14 - Favs: 8 - Follows: 11 - Updated: 2/19 - Published: 1/14 - Hiccup, Toothless, Jack Frost, Pitch
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