I'm not a psychopath, Anderson, I'm a high-functioning sociopath. Do your research.
“So are you saying,” Allison asked, “that there’s a little bit of sociopath in all of us?”lis wiehl
[David Endocrine: So you think the Batman's the real sicko here.] Without a doubt. He's an obsessive-compulsive, narcissistic hero-complexed sociopath. I would love a shot at him as a patient.
I sat around in a hotel room in London for about a month, locked myself away, formed a little diary and experimented with voices — it was important to try to find a somewhat iconic voice and laugh. I ended up landing more in the realm of a psychopath — someone with very little to no conscience towards his acts ... just an absolute sociopath, a cold-blooded, mass-murdering clown .... [being given] free rein [by director Christopher Nolan was] fun, because there are no real boundaries to what The Joker would say or do. Nothing intimidates him, and everything is a big joke."heath ledger