Gory-Gummed Gronckles are hunting dragons mentioned in the short story How to Train Your Hogfly.
Physical Appearance[]
Gory-Gummed Gronckles greatly resemble regular Gronckles, but in addition they have a tortoise-like shell on their backs. They are also much bulkier than regular Gronckles.
Abilities[]
In addition to the abilities of regular Gronckles, Gory-Gummed Gronckles produce a sticky and slippery drool. It is unknown if the drool has any other properties.
Behavior and Personality[]
Both Hiccup and Stoick fear that Very-Vicious' untrainable dragon is a Gory-Gummed Gronckle, meaning that the dragon is aggressive and hard to train.
Appearance[]
How to Train Your Hogfly[]
As punishment for not being invited to the Inter-Tribe Summer-tide Friendly Bury the Hatchet Games, Very-Vicious the Visithug tasks Hiccup with training his untrainable hunting dragon, Hellsbells. While waiting for the dragon to show up, Hiccup tries to guess what species it is. The Gory-Gummed Gronckle is among the dragons listed.