How would you describe heath ledger's jokers personality?

Title says it all. How would you describe is personality. This is of course heath ledgers joker.

Demented.

@battle_forum_junkie: He's definitely not demented. He knows exactly what he's doing. He might be crazy, but he's not insane. Just has very bad morals

@trevorphilips: Determined? I can't remember much of the film tbh...

Epic and awesome

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Apathetic and morally nihilistic. No self-preservation. Antisocial.

I'm sorry, my bad. I was thinking of comic book Joker.

How did I miss that it was Heath Ledger's? It was even in the title!

That movie was awesome, though. I need to watch it again...

An anarchist through and through. A man who really loved his job.

playful, like a kitten

Isn't that all a person can ever really hope for?

@frogdog: the joker is not an anarchist

Ledger's joker wanted nothing but chaos among gotham

@bob808: He even said, "Introduce a little anarchy. Upset the established order, and everything becomes chaos. I’m an agent of chaos."

@trevorphilips: the Joker clearly doesn't know what anarchy is

Scary as f*ck.

SASSY!

Volatile.

A chaotic, anarchistic nihilist.

Kind of a hypocrite. He claimed not to have a plan, but he obviously did.