Jim Carrey's performance as the Grinch in the 2000 film "How the Grinch Stole Christmas" is widely considered one of his most iconic roles. With his wild facial expressions, rubbery body language, and perfect comedic timing, Carrey brought Dr. Seuss’s green Christmas-hater to life in a way no one else could. He didn’t just act like the Grinch—he became him, making the character both hilarious and oddly endearing. But playing the Grinch wasn't easy. Carrey had to undergo a grueling daily routine

The remarkable transformation Jim Carrey went through to become the Grinch! | Classic TV Moments