Night Fury and Hiccup

Hiccup is a natural inventor, designer and a great craftsman, and also has good fencing skills. Unlike his father and the other Vikings, he is physically weak, but smart and, despite his frail appearance, knows how to fight fear, which has saved him many times.
Hiccup Bloodthirsty Karasik III - the main character. Leader of the dragon riders, founder of Dragon's Edge, chieftain of the Berk Island tribe after the death of Stoick the Vast

Character
Toothless is one of the smartest dragons in existence, and his sense of humor is very similar to his rider Hiccup. He reacts negatively to any threats directed at him and his friends. Usually, this dragon is very playful and loves to have fun. He is also very curious.

Toothless understands words and commands perfectly and can even agree with what is said to him, but if he does not like something, he may well be offended. It is very difficult to scare him, and his brave and fighting character often causes trouble. The dragon is incredibly loyal, in the most dangerous situation he will not hesitate for a second and will immediately risk his life to protect his friends.

Appearance
Toothless has two pairs of wings - one main, and one more, but much smaller in size. He is 8 meters long, with a wingspan of 15 meters, and weighs 805 kilograms. His entire body is covered in coal scales, and there are barely noticeable white spots on his sides. On Toothless's right shoulder and neck is a long scar, almost three centimeters wide and 30 centimeters long. Toothless's eyes are pistachio-green with an ocher-yellow rim around the pupils. They are located on the front of his face.

Habits and physical characteristics
His fire breath is a plasma (acetylene oxide) blast that explodes in midair. When settling down to sleep, he heats the area he is going to lie on with fire. He curls up into a ball. He can sleep upside down like a bat, with his tail hooked onto a suitable object (such as a giant root) and his wings tucked in. He protects his food from others. If necessary, he can hook his claws onto almost smooth rocks. He runs fast. He is an omnivore, but prefers fish. When Toothless is angry, feels threatened, or is enraged, his pupils constrict, similar to the pupils of a lizard, but when he is happy, calm, or wants to play, his pupils dilate, and he becomes like a large dog.

Astrid Hofferson - Hiccup's fiancée

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Fishlegs Ingerman is an educated and intelligent young man.

Ruffnut and Tuffnut Thorston are brother and sister, twins. Not the smartest, but quite smart riders.

Stoick the Vast - Hiccup's father, his predecessor in ruling the tribe. He died from an accidental hit by a volley from Toothless, Hiccup's dragon.

Gobber the Ginger is the chief blacksmith of Berk, a former master of dragon hunting and Hiccup's mentor.

Valka is Hiccup's mother and, accordingly, Stoick the Vast's wife. She was believed to be dead for 20 years. During this time, she saved dragons from various dangers. The first person to peacefully tame and ride a dragon