Tan (or brown I guess) and likely made of leather. 

The prototype. 

What is the color of Toothless' first prosthetic tail fin? 

True or False: In every movie, short, and special, Hiccup is consistently voiced by Jay Baruchel. 

As someone with fibro, I can't imagine wearing a braid for longer than a few hours. 

True or False: The only time we ever see Astrid's hair not adorned with some form of braid is during her wedding. 

Like Jay Baruchel with Hiccup, America voiced Astrid for 9 years. 

True or False: In every movie, short, and special, Astrid is consistently voiced by America Ferrera.

Jónsi performed both "Sticks and Stones" and "Together From Afar" as well as providing vocals for the track "The Hidden World" and co-writing the melody used in "For the Dancing and the Dreaming". 

This one could trip you up! 

Which Indie musician wrote and co-wrote songs for all 3 HTTYD movies? 

She says this to Hiccup when trying to explain the dragons may indeed be safer in THW. 

"A chief protects his own"

True or False: In one deleted scene, Valka reluctantly tells Hiccup that the dragons are not "our own". 

Dean says that the "Alpha State" is a power-up triggered out of pure emotion and the "mother instinct" to protect. 

What emotional change of state does Toothless experience in the 2nd film that is often confused for becoming a Titan Wing? 

She does reference GotNF, but it's in the third movie. 

True or False: Astrid makes a direct reference to Gift of the Night Fury in the second movie. 

I wish we could have seen his eyes better in the third film to know how he's improving! 

Drago's Bewilderbeast doesn't have pure blue eyes like Valka's for what reason? 

The Light Fury heats up her smaller scales with only her plasma blast, while Toothless' darker, thicker scales need the heat of more direct plasma, aka lightning bolts. 

This might be a trick question? 

True or False: Toothless and the Light Fury have the exact same cloaking mechanism.

She almost always has her teeth bared, but she does retract them in her romantic flight with Toothless. 

True or False: The Light Fury has retractable teeth. 

You can see at least 2 other Light Fury dragons in the Hidden World. 

True or False: The Light Fury is the last of her species. 

What are the names of Hiccup's son and daughter? 

A collection of true/false and multiple choice How To Train Your Dragon trivia questions. This is my first quiz, so sorry if the set-up is a little wonky. Have fun! 
P.S. There's a fun-fact blurb for each question at the bottom after you answer it.