Trolls (2016 the computer animated musical comedy by South Korean animator and film director Yong Duk Jhun) is about two trolls on a quest to save their village from destruction by the Bergens, creatures who eat trolls.
Yong Duk Jhun (born 1971) is a South Korean cinematographer and animator. 
 He is best known for his work on "Kung Fu Panda" (2008), "Shrek Forever After" (2010) and "Trolls" (2016). 
Trolls is a 2016 American 3D computer-animated musical comedy film based on the Troll dolls created by Thomas Dam. 
 The film revolves around two trolls on a quest to save their village from destruction by the Bergens, creatures who eat trolls. 
