ECW, or Extreme Championship Wrestling, was a professional wrestling promotion founded in 1992 by Paul Heyman. It gained popularity for its edgy and innovative style, featuring hardcore matches and a more adult-oriented product compared to mainstream wrestling organizations. ECW became known for its passionate fan base and unique atmosphere, often held in smaller venues. The promotion played a significant role in shaping the wrestling landscape, influencing later companies like WWE and TNA. ECW showcased a diverse roster, including notable wrestlers such as Rob Van Dam and Tommy Dreamer, and is remembered for its commitment to pushing the boundaries of professional wrestling.