I'd go for Diogenes of Sinope's request of what to do with his body after death: To be left outside with a stout stick, so my corpse can either be eaten by dog

I'd go for Diogenes of Sinope's request of what to do with his body after death: To be left outside with a stout stick, so my corpse can either be eaten by dogs, or fight them off should it find this upsetting.