How has the portrayal of villains evolved in the DC Universe comic books over time?

Villain portrayals in the DC Universe have become increasingly complex over time. Early depictions often focused on straightforward evil, but modern interpretations explore their motivations, psychological complexities, and even sympathetic aspects. Villains like the Joker are now often depicted as agents of chaos with philosophical underpinnings, while others grapple with personal tragedies or societal injustices that fuel their actions.