Groncicle

The Groncicle is a dragon introduced in Rise of Berk.

Description
This arctic Boulder Class cousin of the Gronckle is cold blooded! With ice in his veins and liquid nitrogen fire, water actually freezes around him as he swims.

The Groncicle looks like a muscular Gronckle except it is longer, covered in snow and ice also it dosen't have a mace like tail. It looks like the Groncicle lives in snow or near snow.