This is a normal misconception: The Grim Reaper does NOT kill people. He simply guides the souls of the deceased to wherever they're supposed to go after dying.
Anyway, I'd ignore it. I do everything of value (Translation: Presents!!!!11!!!11) on Christmas Eve.
What would you do if you had a pet Amphicoealis?
(If you don't study dinosaurs, 'Amphicoealis' is the name given to a since-lost dinosaur whose vertebra, while available for study, indicated it belong to a plant-eating creature at least 125 feet long and 50 feet tall - potentially the single largest creature ever discovered.)