Toothless the Nightfury

Toothless the Nightfury is Hiccup's best friend in Jaden learns How To Train Your Dragon. Hiccup first meet him when he took him down, but instead of killing him, Hiccup decided to train him to fly again, because Toothless was missing a tail fin. During their time together, Toothless became loyal to Hiccup, and acted more like a dog. When Hiccup was in danger at his final exam, where he had to kill a Monsterous Nightmare dragom Toothless saved him, but got caught in the process. The vikings used him to get to the dragons island, but couldn't stop the Red Death Dragon. With Hiccup, Astrid, Jaden and his friends help, Toothless was able to stop the dragon, and helped bring peace and harmony to the vikings and dragons.

Trivia

 * Toothless will guest star in Jaden's Adventures of Fiddler on the Roof.
 * Toothless will meet Jeffrey and his team in Jeffrey & Friends learn How to Train Your Dragon.
 * Toothless Will Be joining Hiccup In Hiccup's Adventures