How to Train Your Dragon

Ruffnut and Tuffnut are twins of opposite genders. Ruffnut is of average height and slender build, and Tuffnut has the same build. Because they are twins, their appearances are very similar: they both have natural blonde hair and green eyes. Ruffnut and Tuffnut's personalities are rather unpredictable, but they share a good sense of humor and charm, though they can sometimes be irritable. They share a single dragon with two heads. Their dragon has horns on its heads and also has green scales. Their companion dragon is thin but broad. Its dragon has four legs, two in front and two in back, and two thin tails.

Snotlout is a short, average-sized guy with an average build. His appearance is characterized by short black hair and brown eyes. Snotlout's personality is defined by his provocative and flamboyant nature, with unexpected aggression, boasting of his dragon at the slightest provocation. Snotlout's dragon has fiery red scales, sharp claws, and golden eyes, which are fireproof, as his scales are impervious to fire—his dragon is fire itself. His build is large and tall, with two legs only on his back, and a single pair of red wings.

Fishlegs is a plump guy of average height. Fishlegs has short, light-colored hair and narrow, brown eyes. Fishlegs is very caring and gentle, and he also has his own dragon, which is similar to him. His dragon's build is large, with four legs, front and back, and a tail shaped like a large rock with spikes.

Astrid is Hiccup's best friend. She is of average height and slender build. Her appearance generally consists of long, natural blonde hair and sky-blue eyes. Astrid's personality is almost identical to Hiccup's: calculating and decisive, she can also be impatient, but she is also kind and non-confrontational. Astrid also has her own dragon companion, namely Grumgilda, Grumgilda is a girl dragon, with blue and yellow scales, and with round golden eyes, Grumgilda's physique is such that she does not have front paws, but has huge hind paws with sharp claws, and with blue and yellow wings, and has yellow spikes on her head, and the most important feature of Grumgilda is that Grumgilda has a long tail with yellow spikes.

Hiccup is a slim, medium-sized man with short, fluffy hair and green eyes. Hiccup is intelligent, friendly, and understanding, but can be stubborn, like his father. Hiccup is a dragon rider and has his own Night Fury dragon, named Toothless. Toothless is Hiccup's companion and is one of the fastest and smartest dragons. Toothless has jet-black scales and jade eyes. He has four legs with sharp claws, one front and one back, a long black tail, and one pair of wings.