Block B is a South Korean boy band formed in 2011 under Seven Seasons. The group originally debuted with seven members: Zico, Taeil, B-Bomb, U-Kwon, Kyung, P.O., and Jaehyo. They are known for their energetic performances and a diverse music style that blends hip-hop, pop, and R&B. The band gained popularity with hits like "Nillili Mambo" and "Her." Over the years, Block B has released several albums and EPs, showcasing their growth as artists. They are recognized for their strong stage presence and have a dedicated fanbase known as BBC.