dry skin
No, it doesn't. Not that it matters, hedgehogs are solitary animals!
Half to 3/4s of a foot.
By hedgehogs you mean her kids? If so then yes she does love her little ones.
If you have had swelling in the foot, sometimes after it subsides the skin will peel like with a mild sunburn. If it is the bottom of the foot and between the toes, it sounds like a fungus.
Yes, pet hedgehogs can be very aggressive if they aren't socialized properly from a young age, or if socialization stops. Wild hedgehogs are typically aggressive as most wild animals are.
nothing
Because he is a 3 foot tall hedgehog, and hedgehogs aren't normally 3 foot tall and able to talk.
That means they exclusively eat insects.
Because its dead skin from last summer?
maybe athletes foot, i had something like that and used tanactin and went away in a few days.
Sexual frustration.
If you mean spinal columns, yes pandas have them. If you mean prickly spines, such as the porcupine or hedgehogs have, the answer is no.