
Natasia Charlotte Demetriou is an English comedian, actress, and screenwriter who voices Wingnut in Teenage Mutant Ninja Turtles: Mutant Mayhem.
She is best known for her work in the sitcom Stath Lets Flats, created by her brother Jamie Demetriou, the sketch comedy Ellie & Natasia with her comedy partner, Ellie White, and the European-accented vampire, Nadja in the American mockumentary comedy horror television series What We Do in the Shadows.