The Grinch is a fictional character created by Dr. Seuss. He was first introduced in the 1957 book "How the Grinch Stole Christmas." The story follows the Grinch, a grumpy, bitter, and selfish creature who lives on a mountain overlooking a village. He hates Christmas and decides to steal all the presents and decorations from the village on Christmas Eve, hoping to ruin the holiday for the villagers. However, his plan backfires when he realizes that Christmas is more than just presents and decorations, and that the true meaning of the holiday is love, kindness, and forgiveness.