The Watch Sexy Assassins (2012)teenage climate activist formerly known as Greta Thunberg is going by Sharon now, after an unfortunate mix-up on a British quiz show.

During an episode of BBC's Celebrity Mastermind, in which celebrities try to answer trivia questions, actress Amanda Henderson was tasked with naming a certain TimePerson of the Year and author of the book No One Is Too Small To Make A Difference.

Without missing a beat, Henderson shook her head and with her whole chest, answered with "Sharon."

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"Sharon" has been trending ever since.

Even Thunberg's fellow teen climate activist, Xiye Bastida, couldn't resist getting in on the joke.

Thunberg herself even changed her Twitter display name to Sharon.

Sharon is just Karen's friendlier, more environmentally conscious younger sister — hopefully she'll stick around.