The Joker is Batman's arch-nemesis. With his signature humor and chaos, the Joker constantly seeks Batman's attention and validation. Despite their adversarial relationship, the Joker craves a deeper connection with Batman, longing for a true rival. His plan to unleash the most dangerous villains tests Batman's commitment to fighting evil alone. Beneath the laughter, the Joker's vulnerability is revealed, highlighting the complex and codependent dynamic between the two persons.