<Li> T.J. Miller and Kristen Wiig as Tuffnut and Ruffnut Thorston, fraternal twins, share a two - headed Hideous Zippleback named Barf and Belch . </Li> <Li> Djimon Hounsou as Drago Bludvist, a ruthless warlord and dragon hunter who seeks to take over the world with a dragon army . He has a prosthetic left arm, since he lost his real arm during an earlier encounter with dragons, and wears a dragon - hide cape immune to dragon - fire attacks . </Li> <Li> Kit Harington as Eret, Son of Eret, a dragon trapper who sells captured dragons to Drago . He sports a scar on his chest given to him by Drago following the last time he showed up with no dragons . </Li> <P> After the success of the first film, the sequel was announced on April 27, 2010 . "How to Train Your Dragon...has become DreamWorks Animation's next franchise . We plan to release the sequel theatrically in 2013," said Jeffrey Katzenberg, DreamWorks Animation's CEO . It was later revealed that DeBlois had started drafting the outline for a sequel in February 2010 at Skywalker Ranch, during the final sound mix of the first film . The film was originally scheduled for release on June 20, 2014, but in August 2013 the release date was moved forward one week to June 13, 2014 . </P>

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