Trundle

Trundle (better known as the Mountain King) is the overall main antagonist of the Nobrow Press award-winning British children's graphic novel series, Hilda and the hidden main antagonist of the sixth issue Hilda and the Mountain King. He is a deaded warlord who sought to awaken Amma (the primordal mother to all Trolls) from her eternal slumber benath the city of Trolberg, a land that once belong to Trolls until after being driven further away by humans and build a wall to kept them from ever entering.

Background
Little is known about Trundle's exact past expect, that he was one biggest of all Trolls and to ever consider himself as a king. As stated in "Hilda and the Mountain King", Trundle was a rather greedy sinister Troll who's very oldest then others in ancient times. While some chose towards worshiping and helping him achieve his plan on reawakening Amma. However, there were other Trolls including his own brother who fought against Trundle therefore, successfully defeated him and his minions. Following this downfall, Trundle after being stripped of his cyclopic eye, was then imprisoned inside a cave guarded with dozens of balls for thousands of years, preventing him from escaping.