The early 2000s nostalgia is sweeping through the K-pop scene, with many groups revisiting the iconic styles and sounds of the era. From music videos to fashion choices, we’re witnessing a full-on retro revival. But while some fans are discovering these trends for the first time, others are reminiscing about the true pioneers who laid the foundation for K-pop as we know it. Here’s a look back at some legendary acts from the early 2000s!

1. TVXQ

TVXQ, initially a five-member group before becoming a duo, ruled the early 2000s with massive hits like “Rising Sun,” “Hug,” and “O Jung Ban Hap.” They weren’t just local stars; they were international trailblazers, making a significant impact in Japan and setting the standard for K-pop’s global reach. TVXQ’s influence is undeniable, marking them as legends of the era.

2. Super Junior

Debuting in 2005 as a 12-member group (eventually 13), Super Junior shocked the industry with their massive lineup. Their innovative approach paved the way for the success of large-member groups we see today. From iconic hits like “Sorry, Sorry” to their diverse sub-units, Super Junior continues to be a cornerstone of K-pop history.

3. Big Bang

Big Bang revolutionized K-pop with their fresh, laid-back vibe and genre-blending music. Even senior artists like Xiah Junsu recognized their groundbreaking impact, predicting their immense success. Known for hits like “Lies” and “Fantastic Baby,” Big Bang’s influence extends far beyond music, shaping the style and sound of K-pop.

4. Girls’ Generation

Girls’ Generation, or SNSD, became synonymous with success thanks to their endless string of hits and trend-setting concepts. From the iconic schoolgirl style in “Gee” to powerful performances, they redefined what it meant to be a girl group in K-pop, creating a lasting legacy and inspiring countless artists.

5. Wonder Girls

Before viral challenges were a thing, Wonder Girls took South Korea by storm with “Tell Me,” spawning a nationwide dance craze. They didn’t stop there; the group broke barriers by opening for the Jonas Brothers in the U.S., becoming one of the first K-pop acts to make a splash in America.

6. SHINee

SHINee debuted with a bang, instantly capturing hearts with their youthful charm and incredible talent. Known as the “princes of K-pop,” their debut song “Replay” remains a classic, frequently covered by rookie idols today. Their innovative music and synchronized choreography continue to influence the industry.

7. 2NE1

Before 2NE1, girl groups often leaned into cute and flirtatious concepts. But 2NE1 shattered those norms, bringing fierce, edgy, and charismatic energy to the stage. Their “girl crush” image has inspired countless groups, and their music remains timeless.

8. f(x)

f(x) was truly ahead of their time, balancing between girly and edgy concepts with ease. Their experimental music and unique style carved out a niche that few have replicated, making them one of the most distinctive and innovative groups of their generation.

9. 4minute

4minute made a mark with their catchy choruses and bold, energetic performances. Their song “Hot Issue” became an anthem, and their fearless attitude inspired a wave of confident, powerful girl groups that followed in their footsteps.

10. Battle

Formed through a reality TV show and personally mentored by Shinhwa, Battle had immense potential. Although their career was brief, their impact was memorable, and fans still remember their unique sound and stage presence fondly.

11. KARA

KARA faced many challenges, from a rocky debut to member lineup changes. Yet, they persevered and rose to fame, dominating charts in both Korea and Japan. Their resilience and hit songs solidified their place in K-pop history, leaving a legacy of strength and success.

12. Epik High

Epik High brought a new dimension to K-pop with their hip-hop sound and poetic lyrics. DJ Tukutz’s live turntable performances set them apart, making them a standout act in the industry. Their introspective and relatable music continues to resonate with fans around the world.

13. SG Wannabe

While pop groups were dominating the scene, SG Wannabe carved out a space for ballad music with their exceptional vocal talent. Their heartfelt songs have stood the test of time, and they continue to be beloved by fans of all ages, proving that raw talent never goes out of style.