Drago Bludvist
Viggo Grimborn
Johann
Alvin the Treacherous
Dagur the Deranged
Grimmel the Grisly
Ryker Grimborn
Mala
Krogan
Hiccup Horrendous Haddock III’s enemies
Eret, Son of Eret
Drago’s Bewilderbeast
The Red Death
The Screaming Death
The Whispering Death