1 - 20 of 25 Works in Hiccup Horrendous Haddock III and Toothless are Siblings
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The dragonkin Hiccup fic we deserve but somehow never existed
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Hiccup always felt... disconnected, from himself. He never knew why until he met Toothless. -
Wild Dragon by IliasKeldibaev
Fandoms: How to Train Your Dragon (Movies), A Song of Ice and Fire - George R. R. Martin, Game of Thrones (TV), How to Train Your Dragon (2025)
02 Oct 2025
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The soul of Hiccup Horrendous Haddock III, after his death, did not find its way to Valhalla as he might have once thought. Instead, it awakened in an unfamiliar world, inhabiting the body of a young prince — Rhaegar Targaryen.
Now the former chief of New Berk, a man who once led his people and rode alongside dragons, must begin a new life within the walls of the Seven Kingdoms. His knowledge, experiences, and beliefs from another world clash with the traditions and expectations of Westeros.
How will the world of Ice and Fire change when the mind of the dragon rider takes root in the prince of House Targaryen? What shifts in power, culture, and destiny await when the thoughts and ambitions of the so-called Wild Dragon begin to shape the future of Westeros?
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How to Wish a Dragon Back to Life by Voidofthevoidmv
Fandoms: How to Train Your Dragon (Animated Movies), How to Train Your Dragon (2025), How to Train Your Dragon (2025) RPF
02 Oct 2025
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He did it.
He shot down the Night Fury, succeeding where many Vikings had failed. He finds the dragon still somehow still kicking… But with a giant tree branch sticking out of its chest- Furthermore sealing its fate. It wouldn’t be long now. Any good Viking would be ecstatic at the sight…
Not Hiccup. All he feels is dread…
!!!𝙏𝙒!!! 𝙂𝙧𝙖𝙥𝙝𝙞𝙘 𝙙𝙚𝙥𝙞𝙘𝙩𝙞𝙤𝙣𝙨 𝙤𝙛 𝙙𝙚𝙖𝙩𝙝 𝙖𝙣𝙙 𝙙𝙮𝙞𝙣𝙜!!! (𝘿𝙬, 𝙞𝙩’𝙨 𝙩𝙚𝙢𝙥𝙤𝙧𝙖𝙧𝙮- 𝙄𝙩’𝙨 𝙫𝙞𝙩𝙖𝙡 𝙛𝙤𝙧 𝙩𝙝𝙚 𝙥𝙡𝙤𝙩 𝙡𝙤𝙡)
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What if Toothless had died when Hiccup shot him down with his bola launcher? How would Hiccup deal with the results of his supposed victory… And what steps would he be willing to take in order to undo them? You’d be surprised. Sprinkle a bit of nightmares, trauma concerning meat kabobs, a wee bit of godly intervention, and surprisingly wholesome bonding- You get whatever fanfic this is. -
Let’s Just Go Home by CourtesyTrefflin, RivanaRita
Fandoms: How to Train Your Dragon (Animated Movies)
15 Sep 2025
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Hiccup and Toothless finally go back home after the Whisper Death debacle. They… have a lot of resting up to do.
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to be a father, to be a dragon by Zah_why
Fandoms: How to Train Your Dragon (Animated Movies)
12 Sep 2025
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with alvin continues attacks on berk and the dragon raid stoick decided that is well be better if he stay and trained the next patch of warrior with gobber including his son, little did he know that alvin planed one last attack with the help of his witch mother. alvin saw the best way to damage berk is by turning their beloved chief into the vary thing they hate.
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My Greatest Fear by CourtesyTrefflin, RivanaRita
Fandoms: How to Train Your Dragon (Animated Movies)
04 Sep 2025
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Hiccup thinks about his mother all the time. And he finally gives in to ask Stoick some of his many questions about her.
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Little Dragon, Sharp Claws by CourtesyTrefflin, RivanaRita
Fandoms: How to Train Your Dragon (Animated Movies)
01 Sep 2025
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Toothless is adapting to many things among humans. The problem is always the same – where he can’t talk. And then Torch comes in, and about ruins it all.
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Sandbusted by CourtesyTrefflin, RivanaRita
Fandoms: How to Train Your Dragon (Animated Movies)
28 Aug 2025
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Toothless has nearly lost his rider so many times. When he disappears underground in the Norther Markets, Toothless tires to find him… again. (Or, what should have happened in Sandbusted)
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'Till you're far away and breathing cleaner air by Anxiety_and_witchcraft
Fandoms: How to Train Your Dragon (Animated Movies)
28 Aug 2025
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In which Astrid got to the cove just a few minutes too late, and Hiccup had already left. In which, six years later, the dragon raids are a thing of the past, but now a madman with a dragon army is threatening Berk. In which Astrid, now heir to the Chiefdom, convinces Stoick to ask the mysterious Dragon Master for help.
Hiccup obliges. It's his fight, after all.
However, he may have forgotten to anticipate how hard it would be to prepare for war alongside his old friends and family without letting them know it was him. But then again, what other choice does he have?
Toothless is finding the whole situation highly amusing.
Useless reptile.
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Eternal Flames and a Snow Bird by Time_writing
Fandoms: How to Train Your Dragon (Animated Movies), Rise of the Guardians (2012)
19 Aug 2025
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Hiccup has noticed that many things changed, the dragons hidden and forgotten to the young, buildings standing longer, and new young running around. But one thing he noticed hasn't changed, was him. It was like he was stuck, he didn't seem to age, not getting taller or getting gray hairs like all of his friends. Seeing so many once familiar faces grow old and disappear he was tired, no one to remember their shared adventures, no one to know dragons were real anymore. So when his great grandchildren were grown up, he left Berk. He sailed to the Hidden world, living with found brother, Toothless. Living in the Hidden World's shadow for centuries to come.
Or Hiccup gains immortality/shares Toothless's life span and lives in the Hidden world when all the people he knew and still believe dragons exists were all gone. A thousand years or so later when dragons were all just myths and legends a certain winter spirit finds a Light Fury, what could go wrong with a spirit making friends with a dragon?
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How about no? by Toxic_Wolves
Fandoms: DCU, How to Train Your Dragon (Animated Movies), Batman - All Media Types, White Collar (TV 2009)
18 Aug 2025
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Hiccup gets dragged to the White Collar office. Apparently animals aren't allowed.
Series
- Part 4 of The Shadows Hatchling
- Part 14 of White Collar
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I Never Knew Love by CourtesyTrefflin, RivanaRita for AminaGila
Fandoms: How to Train Your Dragon (Animated Movies)
31 Jul 2025
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Toothless has always feared humans. What dragon wouldn’t? He’s never known love or family. How could he? And then he meets the mirror of himself.
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We Don’t Talk About This by CourtesyTrefflin, RivanaRita for TiranaSorki
Fandoms: How to Train Your Dragon (Animated Movies)
31 Jul 2025
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Something’s… wrong with Hiccup. Snotlout has no idea what, but he sets about trying to figure out. Turns out, it might be a little darker than even he has the mind for.
Series
- Part 1 of We Don't Talk About This
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What do you mean you're my brother?! Why do my hands glow!? by EmilkaMk
Fandoms: How to Train Your Dragon (Animated Movies), Wakfu: The Animated Series (Cartoon)
21 Jul 2025
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Using Wakfu and Eliatrope details, I have made an au were Hiccup is an Eliatrope! I'll write this out, and I have plans ready for rtte.
Valka, hidden among Berks warriors, marries chief Stoick, needing a heir she cannot provide, and her siblings dofus close to hatching, she makes a choice. Her brother takes Tolvin, and Hicstri, called a Hiccup by the people, is to be raised with the people. She soon leaves the village too, Hicstri staying behind raised by the village.
Now he's older, about to start dragon training, dealing with blue glowing hands, and a talking night fury, that seems familiar. Wait is that the nest-I can't write summaries, but it's good. :3. I hope so....
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Hiccup, or Adderfang, is a dragon of two faces. Born in the skin of a Kin-Killer and raised by the Nest, it's no wonder he has some trouble fitting in. But being the way he is gives him abilities that no other dragon can claim, and those abilities are destined to save lives. He can infiltrate the Kin-Killer nests, cloaked in their pale skin, and save the poor souls trapped inside. He's gotten quite good at it.
His latest hunt? Berk.---
Basically hiccup's a dragon shifter and hes gotta infiltrate berk to free the arena dragons
enjoy -
Son of Vanaheim by LilithBane05
Fandoms: How to Train Your Dragon (Animated Movies), Norse Religion & Lore
31 May 2025
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Instead of kidnapping Valka Haddock, Cloudjumper takes her son which he had accidentally injured. He takes the child to Vanaheim where they are supposed to heal dragons, so why are they prepping his gravesite? How does Hiccup's story change when he is raised by the Guardians of Vanaheim?
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Northern Hopes by Tree_Oaks
Fandoms: How to Train Your Dragon (Animated Movies), Wolfwalkers (2020)
17 Apr 2025
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“The sky, so free; do you hear it, Valka?” The cool air wisped around a young Valka as she tugged and held her father for dear life.
“Promise me Valka, the war with the Dragons was never meant to be our war. Please try to change their hearts, our lineage is only here to save what little this world has against two species who just want to love.”
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Kings of the Wilderwest - Season Two by CrzyFun
Fandoms: How to Train Your Dragon (Movies), DreamWorks Dragons (Cartoon)
13 Apr 2025
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Astrid had discovered that Hiccup wasn't quite as "Useless" as most had assumed. In fact, he had not only managed to become blood brothers with the infamous night fury, but the two were the leaders of a large flock of dragons hidden on Berk. She still wasn't entirely sure what to think of the dragons or their king, but she was willing to keep Hiccup's secret for now.
In turn, he taught her more about the dragons and took her on adventures across the archipelago. Adventures that had her hunting with Berserkers, caring for baby dragons, and facing down Outcasts.
Come along for Season Two of Kings of the Wilderwest: a story where Hiccup never joined dragon training and, as a result, his friendship with Toothless wasn't exposed quite so soon.
Series
- Part 2 of Kings of the Wilderwest
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Posting assignments I’ve done for english lmao by A_Stray_Moobloom
Fandoms: Original Work
26 Jan 2025
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BRO ITS LITERALLY JUST ASSIGNMENTS I DID FOR ALL MY DIFFRENT ENGLISH CLASSES 😭😭😭
(If you’re here for the httyd stuff, go to chap 3 :3)
Series
- Part 1 of The literature assignment chronicles
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Summary
10 Years Ago
The sound of draconian roars and the cries of ice-scavengers filled the night air, but not all dragons were in the fight. Far above the fighting creatures two dragons as black as night soared through the sky, watching the carnage below.
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