Queenie Goldstein

Queenie Goldstein is one of the tritagonists of the film Fantastic Beast and Where To Find Them, and a major character/reformed villain its sequels, The Crimes of Grindelwald and The Secrets of Dumbledore. She is the younger sister of Tina Goldstein, the wife of Jacob Kowalski and the sister-in-law of Newt Scamander

Queenie is a witch from America who starts off the films as a heroine who is among Newt's circle of friends. However, for a brief time, Queenie joined Grindelwald's army after he used his charisma to manipulate her into believing she could be with her no-Maj boyfriend. However Queenie's love for her boyfriend and friends caused her to return to the side of good and finally help Newt and Dumbledore in their fight against Grindelwald and his acolytes.