While K-drama leads often operate within the confines of clearly defined moral boundaries—heroes as lovers, saviors, protectors, and caretakers—villains are afforded far greater freedom. Over the years, there has also been a rise in the anti-hero characters who dwell in moral grey zones, more layered and intriguingly written, straddling the line between protagonist and antagonist. Here, we list six iconic villains who embody this unique, unforgettable energy.

Looking for the best K-dramas to binge in 2025? Whether you're new to K-dramas or a long-time fan, this ultimate list combines timeless classics with recent masterpieces that every fan must experience. Here are the top picks that stole hearts, broke records, and became cultural moments!

Die-hard K-drama fans know the undeniable impact of supporting characters and second leads. While they may not be the central focus, many of them exude serious main character energy. These roles aren’t just well-written—they’re brought to life with such brilliance by the actors that they become unforgettable, often stealing the spotlight from the leads. Their performances elevate these characters to iconic status, etching them into the hearts and minds of fans forever.

Here's why you should watch Seo Kang Joon go back to high school in the new action/thriller "Undercover High School"!