There's the whole Mad Hatter's dilemma, it was the amount of mercury that they used in the glue to make the hats. Everything was damaging. So, in terms of the Mad Hatter, looking at it from that perspective of this guy who literally is damaged goods, physically damaged, emotionally a little obtuse, and taking that and deciding that he should be - as opposed to just this hyper, nutty guy - he should explore all sides of the personality at an extreme level.
