Trouble is the main antagonist in The Little Bear Movie. He is a hungry mountain lion who preys on ducks, bears, foxes, and others. Throughout the film, Trouble tries to eat Little Bear and his friends. He manages to trap Duck on a log bridge and just as he's about to swallow her whole, he falls into a river.
Little Bear attempts to help Trouble, but when the mountain lion manages to free himself and was about to eat Little Bear, he was scared off by Cub's father.
He was voiced by Wayne Best.