They misspelled my name

"After trick-or-treating, a teen takes a shortcut home through the cemetery. Halfway across, he’s startled by a tapping noise coming from the misty shadows. Trembling with fear, he spots an old man with a hammer and chisel, chipping away at a headstone. “I thought you were a ghost,” says the relieved teen. “What are you doing working so late?” “Oh, those idiots,” grumbles the old man. “They misspelled my name!”