User blog comment:Thailog/Ep. 204 "Salvage" discussion/@comment-108.213.18.145-20120521203917/@comment-4928331-20120521231353

Joker didn't kill Tim's dad. In the DCAU it was Two-Face, in the comics it was Captain Boomerang.

The closest Joker ever got to a Robin was his love fest with Jason Todd, using a crowbar and a bomb in an Ethiopian warehouse.