The Batman 2004 Laughing Bat -

However, the 2004 version predates the comic version by 13 years. More importantly, the 2004 Laughing Bat is a temporary possession , not a permanent transformation. The comic version is a fusion of two dead universes; the animated version is a psychological trap meant to break one man. The 2004 Laughing Bat is also physically weaker. He is erratic, prone to glitching like a corrupted video game, because the Joker’s mind is fundamentally unstable. He isn't a god of evil; he is a rabid dog wearing the Batsuit. Batman ultimately defeats the Batman 2004 Laughing Bat not by strength, but by logic. In one of the most underrated moments of the series, trapped inside the nightmare, Batman stops fighting. He stands still. The Laughing Bat shrieks, "What’s the matter, Batsy? No more jokes?"

Batman replies, calmly, "The Joker’s mind is chaos. But I am order. You exist only because I believe in rules." the batman 2004 laughing bat

The Joker in this series, voiced by Kevin Michael Richardson, was a lanky, dreadlocked, primal force of chaos. He wasn't a failed comedian; he was a predatory beast who treated crime as a playground. In the episode "Strange Minds," Batman voluntarily enters the mind of a catatonic Joker to find the location of a stolen neural disruptor. To do this, he uses Professor Hugo Strange’s Psychic Harvester—a machine that links two consciousnesses. However, the 2004 version predates the comic version