Everything to know about ‘Red One,’ starring Dwayne ‘The Rock’ Johnson, which is coming to Prime Video

The film's apex villain is Gryla, the legendary Christmas witch from Iceland who, like Krampus, mercilessly punishes children. In her natural form, Gryla is an immense, ugly, and powerful ogress, with multiple tails and a dozen enormous sons called the Yule Lads. In Red One , she is also a shape-shifter, who transforms herself into a beautiful young woman, played by Shipka.