Freya Thorston the twins younger sister she was 11 when her siblings became dragon riders and helped hiccup it’s been five years now and the dragon riders left for a new place so they can search for new places and dragons they now live on an island called dragons edge when Stoick the Vast chief of Berk got word of new dragon hunters he sent Freya Thorston to scope it out but when she did she kinda got mixed up with them and started spying for Stoick so he could relay things back to the dragon riders on the edge when hiccup asks how Stoick is getting the information he says that he’s getting it from the towns people who are getting it from word around markets hiccup believes his father and doesn’t ask again little does he know his father has a spy working right beside Viggo and Ryker.