Jonathan "Jon" Good (born December 7, 1985) is an American professional wrestler signed to WWE under the ring name Dean Ambrose. He is signed to WWE's SmackDown brand and is the current WWE Champion in his first reign.
In WWE, he is also a one-time Money in the Bank winner, as well as a one-time Intercontinental Champion and a one-time United States Champion, with his 351-day United States Championship reign being the third-longest in history and a company record within WWE (who acquired the title in 2001). From 2011, Ambrose competed in WWE developmental territory Florida Championship Wrestling (FCW), before joining the WWE main roster in 2012 as a member of the The Shield with Seth Rollins and Roman Reigns. Ambrose has headlined multiple pay-per-view events for WWE and made his acting debut in the WWE Studios production 12 Rounds 3: Lockdown (2015).
Good is also known for his work on the independent circuit as Jon Moxley between 2004 and 2011. He worked for various promotions including Full Impact Pro (FIP), Combat Zone Wrestling (CZW), Ring of Honor (ROH), Evolve, and Dragon Gate USA, winning the FIP World Heavyweight Championship once and the CZW World Heavyweight Championship twice.