The trolls are small creatures who live in an almost perpetual state of happiness, singing, dancing and hugging all day long.However, they are discovered by the Bergens, large, grey, orge-like creatures who never feel happy but discover that they can feel happy for a moment if they eat a troll.By April 2013, Dream Works Animation had acquired the intellectual property for the Trolls franchise from the Dam Family and Dam Things.Having Dream Works Animation became the exclusive worldwide licensor of the merchandise rights, except for Scandinavia, where Dam Things remains the licensor.
Peter Ramsey, the director of Rise of the Guardians, said that Trolls would be partially based on a Terry Pratchett novel.
Branch's fears are realized when indeed the banished Bergen The Chef sees the fireworks and captures a number of Poppy's closest friends.
Poppy is among the trolls who managed to hide, but discovers that none of the other trolls dares to venture to the town of the Bergens to rescue their friends.
The Bergens put the trolls and their tree in a cage, and hold an annual festival in which each Bergen gets its feeling of happiness by eating a troll.
However, the trolls, led by their King Peppy, escape through underground tunnels on the day that the Bergen crown prince, Gristle, would taste his first troll.
In June 2012, it was reported that Chloë Grace Moretz will voice the female lead, while the role of the male lead, Masklin, had been offered to Jason Schwartzman.