Fergal Devitt is an Irish professional wrestler.

He began his career in 2001, before becoming widely known for his tenure with New Japan Pro-Wrestling (NJPW) as Prince Devitt, where he is a three-time IWGP Junior Heavyweight Champion and six-time IWGP Junior Heavyweight Tag Team Champion. Devitt has wrestled for numerous promotions, including NWA UK Hammerlock, NWA Pro Wrestling, New England Championship Wrestling and Pro Wrestling Guerrilla, as well as having founded NWA Ireland with Paul Tracey.

After signing with WWE's developmental system, Bálor won the NXT Championship, with his 292-day reign being the longest in the championship's history until March 2020. Also during his time in NXT, Bálor became the first co-winner of the inaugural Dusty Rhodes Tag Team Classic with Samoa Joe. Shortly after arriving on the main roster, Bálor became the first wrestler in WWE history to win a world title in their pay-per-view debut, the second ever Irish world champion in WWE (after Sheamus) as well as becoming the quickest wrestler in WWE history to win a world title at 27 days following his main roster debut by becoming the inaugural WWE Universal Champion at SummerSlam 2016. Bálor is also a two-time Intercontinental Champion and a one-time United States Champion. He became a Grand Slam Champion on September 2, 2023, at Payback, winning the Undisputed WWE Tag Team Championship, and is an overall six-time Tag Team Champion in WWE.