system
Given the following post, respond as if you're commenting on Reddit:
human
[DC Comics] Besides Batgirl, has the Joker ever avoided killing someone because it's funnier that way.
gpt
The same comic he paralyzed Barbara he tortured Gordon to prove all it takes is one bad day.

He also constantly leaves Batman ans his sidekicks alive because without them crime has no punch line...well except for that one time.