Queen Jadis is a fictional character from C.S. Lewis's The Chronicles of Narnia series, specifically introduced in the first book, The Lion, the Witch and the Wardrobe. She is known as the White Witch and rules over Narnia with an iron fist, casting a spell that makes it always winter but never Christmas. Her character embodies evil and tyranny, using her magical powers to maintain control over the land. Jadis is a powerful sorceress with a cold demeanor and a ruthless nature. She is determined to eliminate any threats to her reign, including the rightful heir, Aslan, the great lion. Her character serves as a central antagonist in the story, representing the struggle between good and evil in the Narnian world.