William Jason Reso is a Canadian professional wrestler signed with AEW. Christian is best known for his work with AEW and WWE. He is a former World, Intercontinental, and Tag Team Champion in WWE. He has also wrestled extensively for TNA and Impact Wrestling.
Christian, Edge, and Gangrel formed a stable called The Brood. The Brood was later abducted and converted into The Undertaker's Ministry of Darkness. After competing with various tag teams such as The Hardy Boyz, The Hollys, The Acolytes, and Dudley Boyz, Edge and Christian defeated The Hardy Boyz and Dudley Boyz in a TLC match at WrestleMania XVII to win the WWF Tag Team Championship. The duo garnered praises as heels and won the titles six more times.
After the Invasion storyline, Christian turned heel on Edge and won the Intercontinental Championship on two occasions. In 2002, Christian, Test, and Lance Storm formed The Un-Americans. At Vengeance, they won the WWF Tag Team Championship from Edge and Hogan. By September, the stable lost the titles and disbanded.
By the end of the year, Christian was involved in a storyline between Chris Jericho and Trish Stratus. They cut the storyline short due to Jericho's unavailability. In 2003, Christian spent his time on RAW as a heel and reunited with Chris Jericho. At the Royal Rumble, Christian turned on Jericho.
At WrestleMania XX, he defeated Jericho with an assist from Trish Stratus. After Mania, he continued his feud with Jericho and challenged him for the Intercontinental Championship and lost. At WrestleMania XXI, he entered the inaugural Money in the Bank ladder match and lost. In 2005, he spent the remaining year feuding with John Cena for the WWE Championship and lost. He left the company in November.
In November, Christian joined TNA. A few months later, he won NWA World Heavyweight Championship. At Slammiversary, he lost the title to Jeff Jarrett. In July, Christian turned heel and attacked Sting. After the heel turn, Christian feuded with Rhyno and reunited with Tomko. In 2007, he won his second NWA World Heavyweight Championship by pinning Sting.
By March, Christian, Tomko, and Scott Steiner formed a stable called Christian's Collation. Due to contractual disputes between NWA and TNA, the world title was vacated and a new TNA World Heavyweight Championship was formed. Christian failed to defeat Angle to win it. Christian spent the final year feuding with AJ Styles and Main Event Mafia before leaving the company.
In 2009, Christian returned to the company and began working for ECW. He won the ECW Championship on two occasions and lost it before they shut the brand. In 2010, Christian was involved in Money in the Bank and Intercontinental Championship matches before getting injured. Christian made his return next year at Elimination Chamber and attacked Alberto Del Rio.
After Edge retired, Christian faced Del Rio in a ladder match for the World Championship and won. However, he lost the title to Randy Orton in less than 8 days. Christian turned heel and won the title back at the Money in the Bank event. At SummerSlam, he faced Orton and lost the title. Christian spent the remaining year feuding with Sheamus and lost.
In 2012, Christian inducted Edge into the Hall of Fame. At WrestleMania XXVIII, he joined Team Johnny and won. In May, he won the battle royal and earned a championship match. Later, he defeated Cody Rhodes and won the Intercontinental Championship. At RAW 1000, he lost the title to The Miz. Christian was sidelined for a year due to an injury.
In 2013, he made his return and spent most of his time facing Alberto Del Rio for the World Championship and failed. Later, he took time off to tend to his injuries. In 2014, he returned and entered the Elimination Chamber for the WWE World Heavyweight Championship and lost. On RAW, he won a fatal four-way match to challenge Big E for the Intercontinental Championship.
Due to multiple injuries, Christian took early retirement and made a handful of appearances. Christian mainly appeared alongside Edge and hosted The Peep show. In 2020, Christian returned and challenged Orton, where he lost. In 2021, he entered the Royal Rumble match and was eliminated in the end.
In 2021, Christian made his AEW debut. At Double or Nothing, Christian lost the Casino Battle Royale to Jungle Boy and ended up as his mentor. At the debut episode of Rampage, Christian defeated Kenny Omega to win the Impact Championship. Christian spent the next few months in and around Impact Wrestling and AEW.
After various defenses, Christian lost the Impact Championship to Josh Alexander at Bound for Glory. At All Out, Kenny Omega defeated Christian to retain his championship. At Full Gear, Christian, Jungle Boy, and Luchasaurus defeated The Young Bucks and Adam Cole. In 2022, he took part in the face of the revolution ladder match at Revolution and lost.