Seaslug is Dogsbreath the Duhbrain's Gronckle in the How to Train Your Dragon book series. It has a similar relationship with Snotlout's dragon, Fireworm, as Dogsbreath has with Snotlout. Like most Gronckles, it is heavily armored and has fangs like kitchen knives. Seaslug is a greedy Dragon and it was stolen by Dogsbreath in the dragon nursery in the first book.


Seaslug the Gronckle