toothless

can't talk with his mouth yet Toothless is the smartest of all the known dragons, and seems to have a dry sense of humor similar to Hiccup's. When Hiccup let Toothless go, he didn't kill the Viking, as he may have sensed the kindness in the boy, or simply "repaid" the favor by leaving him alive. has a complex and interesting character. Not only is he menacing in appearance, but he is also very intelligent, loyal, and devoted.