Pumpkins--as well as many hard squashes-- offer quite a bit more resistance than flesh. Of course, that is using human flesh for a guideline. Your results may vary when operating on demons and angels.

"We ain't even carved him a mouth yet to take it. Gotta scoop 'im out first." Tina grunts as she explains, clearly working hard to get the knife all the way around the pumpkin evenly.