The Rottviper is a dragon species mentioned once in the short story How to Train Your Hogfly.
Behaviour and Personality[]
The Rottviper is a hunting dragon. Hiccup was scared of the possibility of Very-Vicious' dragon being a Rottviper, 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 Rottviper is among the dragons listed.
