The make up is fine with me. I think the idea of this man applying make up on himself makes the Joker far more interesting. When he takes it off for whatever reason (i.e. to disguise himself) okay so I don't know how to describe it (evidently) but to me it's just something unique about him. It's just when you see his face for what it is, what he really looks like.
Uh, what witnesses? Being sued and being prosecuted are two different things, the former which is what happened. It's called extortion, not paying off 'witnesses'. No actually, I
won't get into that. Don't want to get off topic.
Scientifically impossible to bleach the skin without dying. It is only possible for those who have a skin disease, and it's called depigmentation therapy. Huge difference. The medicine monobenzylether of hydroquinone (which is only prescribed to these patients) is very strong, and if used on anyone who doesn't have it, they'd die of toxin poisoning.