According to the rules, the Evil Eye Hex does NOT have the "a creature cannot be the target of this hex again for another 24 hours" modifier.
And it doesn't say in the Hex rules anywhere that you can't stack the same hex on a creature.
So, technically, that means that a Witch can cast Evil Eye on a critter multiple times and then have it stack or have a different application each time?
For example, it could be -2 on saving throws the first time, then -2 on attacks the second time, -2 on AC the third, etc.
And of course use Cackle to keep it going.
Is anyone doing this?