system
Given the following post, respond as if you're commenting on Reddit:
human
[The Dark Knight] What makes Health Ledger Joker impossible to manipulate/threatened compared to other criminals/villains?
gpt
He doesn't care about anything except getting a rise out of Batman. He barely cares about survival, he has no loved ones, and he's not interested in wealth. Essentially he's dangerous for many of the same reasons Batman is.