And because I am a freak, the kind of guy who thinks Begotten is coming-of-age journey-of-the-heart, I immediately thought,
Alright, so we've settled that. Back to the pumpkins. The cucurbit of interest is Jarrahdale Blue, a hybrid of American Blue Hubbard with the French Rouge vif D'Etampes. That took a few minutes to figure out. Thank you, Wikigooglepedia. So now you have a 15lb blue pumpkin. Go, you! How have other disturbed people zombified their Jarrahdale Blues? Well, I'm glad you asked.
Now go get your blue pumpkin and do your worst!