主角：Hiccup、Astrid、Fishlegs、Snotlout、Tuffnut and RuffnutStoick the Vast、Gobber the Belch、Mulch、Bucket、Spitelout、Gothi
主要龙龙们：Toothless、Stormfly、Meatlug、Hookfang、Barf and Belch
主要反派：Alvin the Treacherous、Savage、Dagur the Deranged、Mildew、Screaming Death
次要角色：Trader Johann、Heather
