Tempest Shadow

Tempest Shadow (real name: Fizzlepop Berrytwist) is the secondary antagonist of the 2017 animated film My Little Pony: The Movie. She is a unicorn with a broken horn and scar and also the former second-in-command of the Storm King. She helped the Storm King invade the entire land of Equestria in return for having her horn restored and have Twilight Sparkle and other Princess' captured to use their magic to make Storm King more powerful.

She is voiced by Emily Blunt, who also played Freya in The Huntsman: A Winter's Tale.