Mark LoMonaco is an American professional wrestler. He is best known for his appearances with Extreme Championship Wrestling (ECW) from 1995 to 1999 under the ring name Buh Buh Ray Dudley, with the World Wrestling Federation/World Wrestling Entertainment (WWF/WWE) from 1999 to 2005 and 2015 to 2016 under the ring name Bubba Ray Dudley and with Total Nonstop Action Wrestling from 2005 to 2014 under the ring names Brother Ray and Bully Ray.

For much of his career, LoMonaco has teamed with his kayfabe half-brother Devon as The Dudley Boyz and, later, Team 3D. Recognized as one of the most prolific tag teams in professional wrestling history, LoMonaco and Hughes have had numerous tag team championships reigns across multiple promotions, including the ECW World Tag Team Championship, Hustle Super Tag Team Championship, IWGP Tag Team Championship, NWA World Tag Team Championship, TNA World Tag Team Championship, WCW World Tag Team Championship, WWF World Tag Team Championship and WWE Tag Team Championship.

LoMonaco has also held a number of singles championships, most notably the TNA World Heavyweight Championship on two occasions. He has been a member of The Dudley Boyz, The Alliance and Aces & Eights.