Gobber the Belch is a six-and-a-half foot tall madman who is tasked with training Hairy Hooligan teens in various skills needed to become a Viking: catching and training dragons, pirating skills, sword-fighting, and rudeness. He is incapable of speaking in any tone of voice other than a bellow. He has trained many students that became great warriors, being a capable warrior himself. He normally wears his small shorts. He believes Hiccup's group is the best group he has ever taught. He was also one of the few people to live and tell the tale of him stealing a book from the Meathead Public Library and under the Hairy Scary Librarian's nose also. He was the Hooligan that stole How to Train Your Dragon by Professor Yobbish. Though In A Hero's Guide to Deadly Dragons Hiccup steals the second volume of this book.
In the tenth book, Gobber is made a slave in the Amber Slavelands when he protested Alvin's kingship. He later joins the Dragonmarkers, and in the eleventh book, he is captured by Alvin and his beard is cut off, the ultimate Viking shame.