Originally posted by Senor Cage
Damn right he did. And the Man Who Laughs is like Joker, but on crack.
The problem with Luthor is that he treats Joker like a bad dog that he thinks he can properly potty train. Joker will perpetually sh_t on the carpet because you guys eat that like candy.
Ultimately it's Luthor's battle to lose because he's too cocky and he let Joker into his house.