The Bergens are a race of creatures seen in the movie Trolls.
The Bergens were the most miserable creatures and when they discovered how happy the Trolls were, they decided to eat the Trolls to steal that happiness for themselves. They caged the Troll Tree started a tradition called "Trollstice" where and every year they would gather to eat the Trolls because they believed that it was the only way they could truly experience happiness. Once the Trolls escaped Bergen Town, they were unable to eat trolls and spent 200 years living in complete misery. However The Snack Pack revealed to them that the feeling of happiness was already inside of them and that they could feel it without eating Trolls.