Heather

Heather is an original character from DreamWorks Dragons: The Series. She makes a brief first appearance in 2 episodes on Dragons: Riders of Berk but later returns as a regular on Dragons: Race to the Edge with a dragon of her own, a Razorwhip named Windshear. She is revealed to be Dagur's long lost sister and Oswald's daughter. She joined the Dragon Riders for a short period of time, before moving permanently to Berserker Island to be her brother's second-in-command.