Just the characters
Barf and Belch: Barf and Belch are as idiotic as the twins. Sharing the same body can be very dangerouse. The argue when their riders do. One breathes gas the other lights it.
Hookfang: Hookfang is a hot-headed monstorouse nightmare. He is ridden on stubborn Snoutlout. He has a odd habbit of setting Snoutlouts bum on fire. He and him argue but they are proven to be very close. Also with competion with Toothless he and him are rivals.
Meatlug: Meatlug is a Gronkle and is dragon to Fishlegs. She is a very nice and sweet Gronkle. Fishlegs and her are very close but her weight makes her very slow.She has a habbit of eaten rocks and in her blasts making them lava.
Stormfly: Stormfly is Astrid/Camicazi's pet Dragon. She first appeared in A Hero's Guide to Deadly Dragons and since has appeared in every following novel. In the film adaptation, rather, she is a Deadly Nadder and her rider is Astrid. In the film, a Deadly Nadder is shown to be kept locked up for Dragon Training . Later in the movie, while battling the Red Death, Astrid has chosen the same Deadly Nadder to ride and join the fight. At the end of the film, we see Astrid riding on the Nadder, along with the other young Vikings and their dragons.
"Toothless is yours... and I'm the b-b-best Lost thing...'" - Toothless in 'How to Betray a Dragon's Hero
Toothless is the name of Hiccup's dragon in both the book series and film. In the books, Toothless is a young Seadragonus Giganticus Maximus, although it is originally believed he is a Common or Garden Dragon, while he is a larger black Night Fury in the film adaptation. In the film, he is the first dragon ever to be trained and serves as one the most major characters in the franchise. He is the quintessential dragon in the series, and remains unrivaled in both speed and intelligence. He is presumed to be the only living Night Fury.