Jeffrey Cobb is a renowned American professional wrestler with a storied career in the world of wrestling. As of May 2025, he is a proud member of WWE's SmackDown brand, competing under the ring name JC Mateo.
Prior to his current stint in WWE, Cobb made a lasting impact in New Japan Pro-Wrestling (NJPW),where he was an integral part of the esteemed United Empire. During his time in NJPW, Cobb achieved impressive accolades, including becoming a one-time NEVER Openweight Champion and a three-time IWGP Tag Team Champion.
In addition to his accomplishments in NJPW, Cobb has also made significant contributions to other prominent wrestling promotions. In Lucha Underground, he wrestled as the enigmatic Matanza Cueto, claiming the Lucha Underground Championship. In Ring of Honor (ROH),he secured the ROH Television Championship, while in Pro Wrestling Guerrilla (PWG),he emerged victorious in the 2018 Battle of Los Angeles, in addition to claiming the PWG World Championship and World Tag Team Championship.
Before transitioning to professional wrestling in 2009, Cobb had a distinguished amateur wrestling career, representing Guam at the 2004 Summer Olympics. At the Games, he had the honor of serving as the nation's flag bearer during the opening ceremony and competed in the men's light heavyweight freestyle category.
