Jeffrey Cobb
Jeffrey Cobb is an American professional wrestler and former amateur wrestler who, as of May 2025, is signed to WWE, performing 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, a one-time NEVER Openweight Champion, and a three-time IWGP Tag Team Champion. Cobb also wrestled for various promotions, including Lucha Underground (as the masked wrestler Matanza Cueto) where he held the Lucha Underground Championship, Ring of Honor (ROH) where he won the ROH Television Championship, and Pro Wrestling Guerrilla (PWG) where he captured both the PWG World and World Tag Team Championships and won the 2018 Battle of Los Angeles.
As an amateur wrestler, Cobb represented Guam at the 2004 Summer Olympics, where he served as the nation’s flag bearer and competed in the men’s light heavyweight freestyle category before transitioning to professional wrestling in 2009.
Movies
WWE SummerSlam 2025: Sunday
JC Mateo
Saturday Night's Main Event XL
JC Mateo
WWE Night of Champions 2025
JC Mateo
WWE Backlash 2025
Jeff Cobb
NJPW Sakura Genesis 2025
Jeff Cobb
NJPW New Japan Cup 2025 - Day 9 (Final)
Jeff Cobb
NJPW New Japan Cup 2025 - Day 1
Jeff Cobb
NJPW Battle in the Valley 2025
Jeff Cobb
NJPW New Year Dash!! 2025
Jeff Cobb
NJPW x AEW x CMLL x ROH x STARDOM: Wrestle Dynasty
Jeff Cobb
NJPW Wrestle Kingdom 19
Jeff Cobb
NJPW x STARDOM: Historic X-Over II
Jeff Cobb
NJPW Superhuman Taiji Ishimori Gets Ridiculous
Jeff Cobb
NJPW King of Pro Wrestling 2024
Jeff Cobb
NJPW Destruction in Kobe 2024
Jeff Cobb
NJPW Road to Destruction 2024: Day 5
Jeff Cobb
NJPW Road to Destruction 2024: Day 4
Jeff Cobb
NJPW Road to Destruction 2024: Day 3
Jeff Cobb
NJPW Road to Destruction 2024: Day 2
Jeff Cobb
NJPW Shingo Takagi's 20th Debut Anniversary Event
Jeff Cobb
NJPW G1 Climax 34: Day 19 (Final)
Jeff Cobb
NJPW G1 Climax 34: Day 18
Jeff Cobb
NJPW G1 Climax 34: Day 17
Jeff Cobb
NJPW G1 Climax 34: Day 16
Jeff Cobb
NJPW G1 Climax 34: Day 15
Jeff Cobb
NJPW G1 Climax 34: Day 14
Jeff Cobb
NJPW G1 Climax 34: Day 13
Jeff Cobb
NJPW G1 Climax 34: Day 12
Jeff Cobb
NJPW G1 Climax 34: Day 11
Jeff Cobb
NJPW G1 Climax 34: Day 10
Jeff Cobb
NJPW G1 Climax 34: Day 9
Jeff Cobb
NJPW G1 Climax 34: Day 8
Jeff Cobb
NJPW G1 Climax 34: Day 7
Jeff Cobb
NJPW G1 Climax 34: Day 6
Jeff Cobb
NJPW G1 Climax 34: Day 5
Jeff Cobb
NJPW G1 Climax 34: Day 4
Jeff Cobb
NJPW G1 Climax 34: Day 3
Jeff Cobb
NJPW G1 Climax 34: Day 1
Jeff Cobb
AEW x NJPW Present Forbidden Door 2024
Jeff Cobb
NJPW New Japan Soul 2024: Day 5
Jeff Cobb
NJPW New Japan Soul 2024: Day 4
Jeff Cobb
NJPW New Japan Soul 2024: Day 3
Jeff Cobb
NJPW New Japan Soul 2024: Day 2
Jeff Cobb
NJPW New Japan Soul 2024: Day 1
Jeff Cobb
NJPW Dominion 6.9 In Osaka-Jo Hall ~ Best of the Super Junior 31 Final ~
Jeff Cobb
NJPW Resurgence 2024
Jeff Cobb
NJPW Wrestling Dontaku 2024 - Night 2
Jeff Cobb
NJPW Wrestling Dontaku 2024 - Night 1
Jeff Cobb
NJPW Sakura Genesis 2024
Jeff Cobb
NJPW New Japan Cup 2024 • Day 2
Jeff Cobb
NJPW 52nd Anniversary Event & New Japan Cup 2024: Day 1
Jeff Cobb
NJPW The New Beginning In Sapporo 2024 - Day 2
Jeff Cobb
NJPW The New Beginning In Sapporo 2024 - Day 1
Jeff Cobb
NJPW The New Beginning in Osaka 2024
Jeff Cobb
NJPW The New Beginning in Nagoya
Jeff Cobb
NJPW Battle in the Valley 2024
Jeff Cobb
NJPW New Year Dash!! 2024
Jeff Cobb
NJPW Power Struggle ~ Super Junior Tag League 2023
Jeff Cobb
NJPW STRONG Fighting Spirit Unleashed 2023
Jeff Cobb
NJPW Destruction In Ryogoku 2023
Jeff Cobb
NJPW Destruction In Kobe 2023
Jeff Cobb
NJPW G1 Climax 33: Day 19 (Final)
Jeff Cobb
NJPW G1 Climax 33: Day 18
Jeff Cobb
NJPW G1 Climax 33: Day 17
Jeff Cobb
NJPW G1 Climax 33: Day 16
Jeff Cobb
NJPW G1 Climax 33: Day 15
Jeff Cobb
NJPW G1 Climax 33: Day 14
Jeff Cobb
NJPW G1 Climax 33: Day 13
Jeff Cobb
NJPW G1 Climax 33: Day 12
Jeff Cobb
NJPW G1 Climax 33: Day 10
Jeff Cobb
NJPW G1 Climax 33: Day 8
Jeff Cobb
NJPW G1 Climax 33: Day 6
Jeff Cobb
NJPW G1 Climax 33: Day 4
Jeff Cobb
NJPW G1 Climax 33: Day 2
Jeff Cobb
AEW x NJPW Present Forbidden Door 2023: Zero Hour
Jeff Cobb
NJPW Dominion 6.4 in Osaka-jo Hall
Jeff Cobb
NJPW Wrestling Dontaku 2023
Jeff Cobb
NJPW Sakura Genesis 2023
Jeff Cobb
ROH: Supercard of Honor 2023: Zero Hour
Jeff Cobb
GCW Josh Barnett's Bloodsport 9
Jeff Cobb
IMPACT Wrestling x NJPW: Multiverse United: Only The Strong Survive
Jeff Cobb
Mark Hitchcock Memorial Wrestlecon Supershow 2023
Jeff Cobb
NJPW New Japan Cup 2023: Day 4
Jeff Cobb
NJPW New Japan Cup 2023: Day 3
Jeff Cobb
NJPW 51st Anniversary Event & New Japan Cup 2023: Day 2
Jeff Cobb
NJPW New Year Dash !! 2023
Jeff Cobb
NJPW Wrestle Kingdom 17 Pre-Show
Jeff Cobb
ROH Final Battle 2022
Jeff Cobb
ROH Final Battle 2022 - Zero Hour
Jeff Cobb
NJPW x STARDOM: Historic X-Over
Jeff Cobb
NJPW Battle Autumn 2022 - Night 16
Jeff Cobb
NJPW Declaration of Power
Jeff Cobb
NJPW G1 Climax 32: Day 20 (Final)
Jeff Cobb
NJPW G1 Climax 32: Day 17
Jeff Cobb
NJPW G1 Climax 32: Day 16
Jeff Cobb
NJPW G1 Climax 32: Day 15
Jeff Cobb
NJPW G1 Climax 32: Day 14
Jeff Cobb
NJPW G1 Climax 32: Day 13
Jeff Cobb
NJPW G1 Climax 32: Day 12
Jeff Cobb
NJPW G1 Climax 32: Day 11
Jeff Cobb
NJPW G1 Climax 32: Day 10
Jeff Cobb
NJPW G1 Climax 32: Day 9
Jeff Cobb
NJPW G1 Climax 32: Day 8
Jeff Cobb
NJPW G1 Climax 32: Day 7
Jeff Cobb
NJPW G1 Climax 32: Day 6
Jeff Cobb
NJPW G1 Climax 32: Day 5
Jeff Cobb
NJPW G1 Climax 32: Day 4
Jeff Cobb
NJPW G1 Climax 32: Day 3
Jeff Cobb
NJPW G1 Climax 32: Day 2
Jeff Cobb
NJPW G1 Climax 32: Day 1
Jeff Cobb
AEW x NJPW Presents Forbidden Door 2022
Jeff Cobb
NJPW Dominion 6.12 In Osaka-Jo Hall
Jeff Cobb
NJPW Capital Collision 2022
Jeff Cobb
NJPW Wrestling Dontaku 2022
Jeff Cobb
NJPW Windy City Riot 2022
Jeff Cobb
NJPW Wrestle Kingdom 16: Night 2
Jeff Cobb
NJPW Wrestle Kingdom 16: Night 1
Jeff Cobb
NJPW Battle In The Valley 2021
Jeff Cobb
NJPW G1 Climax 31: Day 19 (Final)
Jeff Cobb
NJPW G1 Climax 31: Day 18
Jeff Cobb
NJPW G1 Climax 31: Day 16
Jeff Cobb
NJPW G1 Climax 31: Day 14
Jeff Cobb
NJPW G1 Climax 31: Day 12
Jeff Cobb
NJPW G1 Climax 31: Day 10
Jeff Cobb
NJPW G1 Climax 31: Day 8
Jeff Cobb
NJPW G1 Climax 31: Day 6
Jeff Cobb
NJPW G1 Climax 31: Day 4
Jeff Cobb
NJPW G1 Climax 31: Day 2
Jeff Cobb
NJPW Wrestle Grand Slam in MetLife Dome: Night 2
Jeff Cobb
NJPW Wrestle Grand Slam in MetLife Dome: Night 1
Jeff Cobb
NJPW Wrestle Grand Slam In Tokyo Dome
Jeff Cobb
NJPW Dominion 6.6 in Osaka-jo Hall
Jeff Cobb
NJPW Wrestling Dontaku 2021 - Night 2
Jeff Cobb
NJPW Wrestling Dontaku 2021 - Night 1
Jeff Cobb
NJPW Sakura Genesis 2021
Jeff Cobb
NJPW 49th Anniversary Show
Jeff Cobb
NJPW Castle Attack 2021 - Night 2
Jeff Cobb
NJPW Castle Attack 2021 - Night 1
Jeff Cobb
GCW Josh Barnett’s Bloodsport 5
Jeff Cobb
GCW Josh Barnett's Bloodsport 4
Jeff Cobb
NJPW New Year Dash !! 2021
Jeff Cobb
NJPW Wrestle Kingdom 15: Night 2
Jeff Cobb
NJPW G1 Climax 30: Day 19 (Final)
Jeff Cobb
NJPW G1 Climax 30: Day 17
Jeff Cobb
NJPW G1 Climax 30: Day 15
Jeff Cobb
NJPW G1 Climax 30: Day 13
Jeff Cobb
NJPW G1 Climax 30: Day 11
Jeff Cobb
NJPW G1 Climax 30: Day 9
Jeff Cobb
NJPW G1 Climax 30: Day 7
Jeff Cobb
NJPW G1 Climax 30: Day 5
Jeff Cobb
NJPW G1 Climax 30: Day 3
Jeff Cobb
NJPW G1 Climax 30: Day 1
Jeff Cobb
Sorry You're Watching This: Jeff Cobb & Brody King
Jeff Cobb
ROH: Bound By Honor
Jeff Cobb
RevPro: High Stakes 2020
Jeff Cobb
ROH Final Battle 2019
Jeff Cobb
ROH: Unauthorized
El Jefe Cobo
ROH: Death Before Dishonor XVII
Jeff Cobb
ROH: Saturday Night At Center Stage
Jeff Cobb
ROH: Honor For All
Jeff Cobb
NJPW G1 Climax 29: Day 19 (Final)
Jeff Cobb
NJPW G1 Climax 29: Day 18
Jeff Cobb
NJPW G1 Climax 29: Day 17
Jeff Cobb
NJPW G1 Climax 29: Day 16
Jeff Cobb
NJPW G1 Climax 29: Day 15
Jeff Cobb
NJPW G1 Climax 29: Day 14
Jeff Cobb
NJPW G1 Climax 29: Day 13
Jeff Cobb
NJPW G1 Climax 29: Day 12
Jeff Cobb
NJPW G1 Climax 29: Day 11
Jeff Cobb
NJPW G1 Climax 29: Day 10
Jeff Cobb
NJPW G1 Climax 29: Day 9
Jeff Cobb
NJPW G1 Climax 29: Day 8
Jeff Cobb
NJPW G1 Climax 29: Day 7
Jeff Cobb
NJPW G1 Climax 29: Day 6
Jeff Cobb
NJPW G1 Climax 29: Day 5
Jeff Cobb
NJPW G1 Climax 29: Day 4
Jeff Cobb
NJPW G1 Climax 29: Day 3
Jeff Cobb
NJPW G1 Climax 29: Day 2
Jeff Cobb
NJPW G1 Climax 29: Day 1
Jeff Cobb
ROH: Best In The World
Jeff Cobb
ECCW 23rd Anniversary Show
Jeff Cobb
PWG: Mystery Vortex VI
NJPW Wrestling Dontaku 2019 - Day 2
Jeff Cobb
NJPW Wrestling Dontaku 2019 - Day 1
Jeff Cobb
ROH & NJPW: G1 Supercard
Jeff Cobb
ROH: 17th Anniversary
Jeff Cobb
ROH: Honor Reigns Supreme
Jeff Cobb
NJPW New Year Dash !! 2019
Jeff Cobb
NJPW Wrestle Kingdom 13
Jeff Cobb
ROH Final Battle 2018
Jeff Cobb
ROH & NJPW: Global Wars - Lewiston
Jeff Cobb
PWG: Smokey And The Bandido
Jeff Cobb
NJPW Fighting Spirit Unleashed 2018
Jeff Cobb
PWG: 2018 Battle of Los Angeles - Stage Three
PWG: 2018 Battle of Los Angeles - Stage Two
Warrior Wrestling 2
Jeff Cobb
NJPW G1 Special In San Francisco
Jeff Cobb
CEOxNJPW When Worlds Collide
ScrapperMania 4
PWG: All Star Weekend 14 - Night One
Jeff Cobb
Bar Wrestling 11: April O'Neil
Jeff Cobb
Pancakes & Piledrivers II: The Indy Summit
IMPACT Wrestling vs. Lucha Underground 2018
Jeff Cobb
Wrestlecon Supershow 2018
PWG: Time Is A Flat Circle
Jeff Cobb
Bar Wrestling 9: February Stars
Jeff Cobb
AAW Showdown 2018
Bar Wrestling 8: Happily Ever After
Jeff Cobb
PWG: Mystery Vortex V
Jeff Cobb
PWG: All Star Weekend 13 - Night One
Jeff Cobb
DEFY8 Kings Among Men
Jeff Cobb
Bar Wrestling 6: Head Of Household
DEFY Vs. ECCW 2017
Jeff Cobb
PWG: 2017 Battle of Los Angeles - Final Stage
Jeff Cobb
PWG: 2017 Battle of Los Angeles - Stage Two
Jeff Cobb
PWG: 2017 Battle of Los Angeles - Stage One
Jeff Cobb
Bar Wrestling 3: Bar Of Hardcore
Jeff Cobb
DEFY6 The Crash Lucha Libre
PWG: Man On The Silver Mountain
Jeff Cobb
Bar Wrestling
Jeff Cobb
PWG: Head Like A Cole
Jeff Cobb
PWG: Game Over, Man
Jeff Cobb
DEFY2 Wolves At The Door
Jeff Cobb
WrestleCon SuperShow 2017
PWG: Nice Boys (Don't Play Rock and Roll)
Jeff Cobb
EVOLVE 78
PWG: Only Kings Understand Each Other
Jeff Cobb
DEFY1 Legacy
Jeff Cobb
AAW Unstoppable 2016
Jeff Cobb
PWG: Mystery Vortex IV
Jeff Cobb
PWG: 2016 Battle of Los Angeles - Stage One
Jeff Cobb
AAA TripleMania XXIV
The Monster Matanza Cueto
RevPro Uprising 2016
Jeff Cobb
PWG: THIRTEEN
Jeff Cobb
