Christopher "Chris" Keith Irvine (November 9, 1970), best known by his ring name Chris Jericho, a American-born Canadian professional wrestler, musician. who started with ECW. Jericho gained mainstream fame in the World Wrestling Federation (WWF, now WWE) from 1999 to 2005. He returned to wrestling part-time for WWE from 2007 to 2010 and again from 2012 to 2018 and continues to make occasional WWE Alumni.
He is a freelancer formerly works New Japan Pro-Wrestling (NJPW) and now working in All Elite Wrestling (AEW).
He is also best known for his one tenure in World Championship Wrestling as well as a short-lived tenure in Extreme Championship Wrestling. His professional wrestling gimmick and on-stage music persona are both that of an over-the-top rock star. As a musician, he is currently the lead singer of rock band Fozzy.
Between WWE (formerly the World Wrestling Federation), Extreme Championship Wrestling, and World Championship Wrestling—the three most prominent American professional wrestling promotions of the 1990s and early 2000s—Jericho has won 32 championships. He also found success while performing for international promotions in countries such as Canada, Japan, and Mexico. Jericho is the first Undisputed WWF Champion, and thus the final holder of the World Championship (formerly the WCW World Heavyweight Championship), having won and unified the WWF and World titles by defeating Stone Cold Steve Austin and The Rock on the same night in 2001. He is also the ninth Triple Crown Champion, as well as the fourth Grand Slam Champion in WWE history. In addition, Jericho was the 2008 Superstar of the Year Slammy Award winner and (along with Big Show as Jeri-Show) won the 2009 Tag Team of the Year Slammy Award – making him the only winner of both Superstar and Tag Team of the Year in WWE history.
Among other accomplishments, Jericho has won the WWF Championship once, the WCW/World Championship twice, and WWE's World Heavyweight Championship three times. He is also a record nine-time Intercontinental Champion, beating out four other contenders in a 2013 WWE fan poll to determine the greatest champion in history with a landslide 63% of the vote. Jericho has headlined multiple pay-per-view events during his time with the company, including a performance as the Undisputed WWF Champion at WrestleMania X8 in 2002.