The Grinch is a character from the classic children's book, How the Grinch Stole Christmas, written by Dr. Seuss. The book tells the story of a grumpy green creature who lives on a mountaintop overlooking the town of Whoville. One Christmas, the Grinch decides to steal all of the presents from the people of Whoville in an attempt to ruin Christmas. However, his plan backfires when he realizes that the true spirit of Christmas comes from the kindness and generosity of the townspeople, not from gifts.