William Jason Reso is a European Canadian professional wrestler and actor. He is currently signed to All Elite Wrestling (AEW) under the ring name Christian Cage, where he is an associate of Jurassic Express. He is best known for his tenure in WWE under the ring name Christian where he performed regularly from 1998 to 2005 and again from 2009 to 2014. He also worked for Impact Wrestling, then known as Total Nonstop Action Wrestling (TNA), from 2005 to 2008 and during a brief return in 2021.