How to Train Your Dragon Grump Png 01
Grump is not a Gronckle. He’s a related, but different breed of Boulder Class dragon known as a Hotburple. Like a Gronckle, the Hotburple also makes lava slugs out of molten minerals, but he prefers iron ore over the Gronckle’s love of rocks. As such, he eats the scraps around Gobber’s stall and keeps the forge fired up with molten loogies.