Personality cults have their drawbacks.

[Boojatta]

But personality cults, like most authoritarian technologies, have their drawbacks. The bigger the cult, the bigger the challenge of succession. Heirs to the throne really have just two options: dismantle the cult or go one better. The former is perilous; in the Soviet Union, Nikita Khrushchev's famous 1956 secret speech -- the posthumous critique of Stalin that gave us the term "personality cult" -- was, after all, secret, deemed too explosive for the Soviet public. Today, North Korea's ruling Kim family illustrates the hazards of the alternative: Now that the official newspapers have already reported that the current Dear Leader, Kim Jong Il, has mastered teleportation, what's his son and newly designated heir, Kim Jong Un, supposed to do for an encore?

Source:
Think Again: Dictators. Arab autocrats may be tottering, 
but the world's tyrants aren't all quaking in their steel-toed boots, by Graeme Robertson

[Warpy]

1. The cult that will be the most fun to watch is the Moonies

Daddy Moon, AKA god, hasn't been seen for quite some time. They're probably terrified to admit that god died because that's going to kick the underpinnings right out from under that bunch.

My guess is that they're all trying to figure out how to break it to their followers that the old buzzard has finally kicked the bucket. I'm expecting some theatrics and a faked ascension into heaven, personally.

Or maybe they'll have a reincarnation into an infant born to one of his children.

In any case, expect the fighting over the spoils to become intense.