Toothless

Toothless is a Night Fury dragon and the closest companion of Hiccup in How to Train Your Dragon. After Hiccup wounds and then helps him, their friendship changes the Viking village of Berk's relationship with dragons.

Toothless in How to Train Your Dragon: identity and story role

Toothless is intelligent, playful, loyal, cautious with strangers, and capable of independent judgment. He flies at great speed, uses plasma blasts, echolocation-like senses, stealth, and a prosthetic tail fin designed with Hiccup.

Toothless's powers, allies, and character growth

His bond with Hiccup develops into mutual leadership, while his relationship with the Light Fury leads him to become alpha of the dragons.