system
Given the following post, respond as if you're commenting on Reddit:
human
[Batman] What was the Joker’s reaction when he met Tim Drake’s Robin for the first time?
gpt
“I killed you!” 

Literally though. Joker genuinely was confused at how the hell Robin came back to life after he beat the shit out of and blew him up. He eventually figured it out off-screen, judging by how he taunted Nightwing in the Last Laugh by claiming he hit *Jason* harder.