Biography
Jeffrey Cobb is an American professional wrestler and former amateur wrestler. As of May 2025, he is signed to WWE, where he performs on the SmackDown brand under the ring name JC Mateo. He is best known for his eight-year (2017-2025) tenure in New Japan Pro-Wrestling (NJPW), where he was a member of United Empire.
In NJPW, he is a former one-time NEVER Openweight Champion and a three-time IWGP Tag Team Champion. He also wrestled for various promotions, such as Lucha Underground (as the masked wrestler Matanza Cueto) where he is a former one-time Lucha Underground Champion, Ring of Honor (ROH), where he is a former one-time ROH Television Champion, as well as Pro Wrestling Guerrilla (PWG) where he is a former one-time PWG World Champion, one-time World Tag Team Champion, and is also the winner of the 2018 Battle of Los Angeles.
As an amateur wrestler, Cobb represented Guam at the 2004 Summer Olympics, where he became the nation's flag bearer in the opening ceremony and competed in the men's light heavyweight freestyle category. He transitioned to professional wrestling in 2009.
Filmography
Cast Credits
WWE SummerSlam 2025: Sunday
Character: JC Mateo
MOVIE • 2025
Saturday Night's Main Event XL
Character: JC Mateo
MOVIE • 2025
WWE Night of Champions 2025
Character: JC Mateo
MOVIE • 2025
WWE Backlash 2025
Character: Jeff Cobb
MOVIE • 2025
NJPW Sakura Genesis 2025
Character: Jeff Cobb
MOVIE • 2025
NJPW New Japan Cup 2025 - Final
Character: Jeff Cobb
MOVIE • 2025
NJPW Battle in the Valley
Character: Jeff Cobb
MOVIE • 2025
NJPW New Year Dash!! 2025
Character: Jeff Cobb
MOVIE • 2025
NJPW x AEW x CMLL x ROH x STARDOM: Wrestle Dynasty
Character: Jeff Cobb
MOVIE • 2025
NJPW Wrestle Kingdom 19
Character: Jeff Cobb
MOVIE • 2025
NJPW x STARDOM: Historic X-Over II
Character: Jeff Cobb
MOVIE • 2024
NJPW Power Struggle ~ Super Junior Tag League 2024
Character: Jeff Cobb
MOVIE • 2024
NJPW King of Pro Wrestling 2024
Character: Jeff Cobb
MOVIE • 2024
NJPW Destruction in Kobe 2024
Character: Jeff Cobb
MOVIE • 2024
NJPW Road to Destruction 2024: Day 5
Character: Jeff Cobb
MOVIE • 2024
NJPW Road to Destruction 2024: Day 4
Character: Jeff Cobb
MOVIE • 2024
NJPW Road to Destruction 2024: Day 3
Character: Jeff Cobb
MOVIE • 2024
NJPW Road to Destruction 2024: Day 2
Character: Jeff Cobb
MOVIE • 2024
NJPW Shingo Takagi's 20th Debut Anniversary Event
Character: Jeff Cobb
MOVIE • 2024
NJPW G1 Climax 34: Day 19 (Final)
Character: Jeff Cobb
MOVIE • 2024