There are, almost by definition, an unlimited number of Hells - potentially at least a personal one for every living sapient being.
Terry PratchettPeace?' said Vetinari. 'Ah, yes, defined as period of time to allow for preparation for the next war.
Terry PratchettAny true wizard, faced with a sign like 'Do not open this door. Really. We mean it. We're not kidding. Opening this door will mean the end of the universe,' would automatically open the door in order to see what all the fuss is about. This made signs rather a waste of time, but at least it meant that when you handed what was left of the wizard to his grieving relatives you could say, as they grasped the jar, 'We told him not to."
Terry Pratchett