But I thought Batman remembered that bit too, even in Killing Joke. I might be wrong.

There's always the B:TAS origin too, where he was a thug. Or the one from Case File (Bat:B&W Dini and Ross) from Harley's perspective... I forget that one exactly.

Old men, fear me! You will shatter under my ruthless apathetic assault!

Uschi - 2
Old Men - 0

"I am convinced that this world is of no importance, and that the only people who care about dates are imbeciles and Spanish teachers." -- Jean Arp, 1921

"If Jesus came back and saw what people are doing in his name, he would never never stop throwing up." - Max von Sydow, "Hannah and Her Sisters"