A character from the Simpsons episode Kill Gil that is based on the Grinch. Homer tries to stop the grumple from ruining Christmas during a holiday-show-on-ice. The grumple then tries to hunt Homer down and presumably kill him. As the Grumple says, "Grumpley Grumpley Groo, I'll use your blood to make my stew!" In the end of the episode, the Grumple family visits the Simpsons and sings with them.