CZW, or Combat Zone Wrestling, is an independent professional wrestling promotion based in the United States. Founded in 1998 by John Zandig, CZW is known for its extreme style of wrestling, featuring high-risk maneuvers and hardcore matches. The promotion gained popularity for its unique blend of traditional wrestling and extreme sports elements. CZW has hosted numerous events, including the annual Tournament of Death, which showcases deathmatch wrestling. The promotion has also been a platform for many wrestlers who later achieved fame in larger organizations, such as WWE and AEW. CZW continues to be influential in the world of independent wrestling.