The Grinch is a fictional character created by Dr. Seuss in the classic children's book "How the Grinch Stole Christmas!" He is depicted as a green, furry creature with a heart that is "two sizes too small." The Grinch lives on Mount Crumpit, overlooking the cheerful town of Whoville, where the residents celebrate Christmas with joy and enthusiasm. Initially, the Grinch despises Christmas and the Whos' festive spirit. In an attempt to ruin their holiday, he devises a plan to steal their Christmas presents and decorations. However, by the end of the story, he learns the true meaning of Christmas, leading to a change of heart and a newfound appreciation for the holiday.