While the Grinch has become even more iconic thanks to Jim Carrey's movie portrayal, it's rarely mentioned how much work went into transforming the actor into the character. That said, Carrey isn't afraid to talk about how much of an ordeal it was to undergo the make-up for the 2000 film How the Grinch Stole Christmas.
Source：https://www.cbr.com/jim-carrey-grinch-transformation-torture-training/
