Jeffrey Cobb

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 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.

Known For

Jeff Cobb

NJPW Wrestle Grand Slam in MetLife Dome: Night 2

Jeff Cobb

NJPW G1 Climax 31: Day 2

Jeff Cobb

NJPW G1 Climax 31: Day 4

Jeff Cobb

NJPW G1 Climax 31: Day 6

Jeff Cobb

NJPW G1 Climax 31: Day 8

Jeff Cobb

NJPW G1 Climax 31: Day 10

Jeff Cobb

NJPW G1 Climax 31: Day 14

Jeff Cobb

NJPW G1 Climax 31: Day 12

Jeff Cobb

NJPW G1 Climax 31: Day 16

Jeff Cobb

NJPW G1 Climax 31: Day 18

Jeff Cobb

NJPW G1 Climax 31: Day 19 (Final)

Jeff Cobb

GCW Josh Barnett's Bloodsport 9

Jeff Cobb

ROH: Supercard of Honor 2023: Zero Hour

Jeff Cobb

IMPACT Wrestling x NJPW: Multiverse United: Only The Strong Survive

Jeff Cobb

NJPW Dominion 6.6 in Osaka-jo Hall

Jeff Cobb

Mark Hitchcock Memorial Wrestlecon Supershow 2023

Jeff Cobb

NJPW Wrestle Kingdom 16: Night 1

Jeff Cobb

NJPW Wrestle Kingdom 16: Night 2

Jeff Cobb

NJPW: Battle In The Valley

Jeff Cobb

NJPW Dominion 6.4 in Osaka-jo Hall

Jeff Cobb

NJPW Sakura Genesis 2023

Jeff Cobb

NJPW G1 Climax 32: Day 1

Jeff Cobb

AAW Unstoppable 2016

Jeff Cobb

NJPW G1 Climax 33: Day 4

Jeff Cobb

NJPW G1 Climax 33: Day 6

Jeff Cobb

NJPW G1 Climax 33: Day 10

Jeff Cobb

NJPW G1 Climax 33: Day 8

Jeff Cobb

NJPW G1 Climax 33: Day 2

Jeff Cobb

NJPW G1 Climax 33: Day 12

Jeff Cobb

NJPW G1 Climax 33: Day 16

Jeff Cobb

NJPW G1 Climax 32: Day 2

Jeff Cobb

NJPW G1 Climax 33: Day 14

Jeff Cobb

NJPW G1 Climax 33: Day 13

Jeff Cobb

NJPW G1 Climax 32: Day 3

Jeff Cobb

NJPW G1 Climax 32: Day 4

Jeff Cobb

NJPW G1 Climax 33: Day 15

Jeff Cobb

NJPW Windy City Riot

Jeff Cobb

NJPW 51st Anniversary Event & New Japan Cup 2023: Day 2

Jeff Cobb

NJPW New Japan Cup 2023: Day 3

Jeff Cobb

NJPW New Japan Cup 2023: Day 4

Jeff Cobb

NJPW G1 Climax 32: Day 5

Jeff Cobb

NJPW Wrestling Dontaku

Jeff Cobb

NJPW G1 Climax 33: Day 18

Jeff Cobb

NJPW G1 Climax 33: Day 17

Jeff Cobb

NJPW G1 Climax 33: Day 19 (Final)

Jeff Cobb

NJPW Capital Collision 2022

Jeff Cobb

NJPW Dominion 6.12 In Osaka-Jo Hall

Jeff Cobb

AEW x NJPW Presents Forbidden Door

Jeff Cobb

ROH: Saturday Night At Center Stage

Jeff Cobb

NJPW Battle in the Valley

Jeff Cobb

Warrior Wrestling 2

Jeff Cobb

NJPW The New Beginning in Osaka 2024

Jeff Cobb

NJPW x STARDOM: Historic X-Over

Jeff Cobb

ROH: Honor For All

Jeff Cobb

ROH: Final Battle

Jeff Cobb

ROH: Final Battle - Zero Hour

Jeff Cobb

NJPW The New Beginning In Sapporo 2024 - Night 1

Jeff Cobb

NJPW Wrestle Kingdom 17 Pre-Show

Jeff Cobb

NJPW Sakura Genesis 2024

Jeff Cobb

NJPW New Year Dash!! 2024

Jeff Cobb

NJPW Wrestling Dontaku 2024 - Night 1

Jeff Cobb

NJPW Wrestling Dontaku 2024 - Night 2

Jeff Cobb

NJPW Resurgence 2024

Jeff Cobb

NJPW The New Beginning In Sapporo 2024 - Night 2

Jeff Cobb

NJPW G1 Climax 32: Day 6

Jeff Cobb

NJPW G1 Climax 32: Day 11

Jeff Cobb

NJPW G1 Climax 32: Day 9

Jeff Cobb

NJPW G1 Climax 32: Day 10

Jeff Cobb

NJPW G1 Climax 32: Day 8

Jeff Cobb

NJPW G1 Climax 32: Day 7

Jeff Cobb

NJPW G1 Climax 32: Day 12

Jeff Cobb

NJPW G1 Climax 32: Day 14

Jeff Cobb

NJPW G1 Climax 32: Day 13

Jeff Cobb

NJPW Battle Autumn 2022 - Night 16

Jeff Cobb

NJPW G1 Climax 32: Day 20 (Final)

Jeff Cobb

NJPW G1 Climax 32: Day 17

Jeff Cobb

NJPW G1 Climax 32: Day 15

Jeff Cobb

NJPW G1 Climax 32: Day 16

Jeff Cobb

NJPW G1 Climax 30: Day 19 (Final)

Jeff Cobb

NJPW New Year Dash !! 2023

Jeff Cobb

NJPW Wrestle Grand Slam In Tokyo Dome

Jeff Cobb

RevPro: Uprising 2016

Jeff Cobb

NJPW Dominion 6.9 In Osaka-Jo Hall ~ Best Of The Super Junior 31 Final ~

Himself

PWG: Prince

Jeff Cobb

NJPW Power Struggle ~ Super Junior Tag League 2023

Jeff Cobb

NJPW Declaration Of Power

Jeff Cobb

NJPW G1 Climax 34: Day 1

Jeff Cobb

NJPW Wrestle Kingdom 13

Jeff Cobb

AEW x NJPW Present Forbidden Door

Jeff Cobb

NJPW The New Beginning in Nagoya

Jeff Cobb

AEW x NJPW Present Forbidden Door: Zero Hour

Jeff Cobb

RevPro: High Stakes 2020

Jeff Cobb

NJPW New Japan Soul 2024: Day 1

Jeff Cobb

NJPW New Japan Soul 2024: Day 2

Jeff Cobb

NJPW G1 Climax 34: Day 3

Jeff Cobb

NJPW G1 Climax 34: Day 4

Jeff Cobb

NJPW G1 Climax 34: Day 10

Jeff Cobb

NJPW G1 Climax 34: Day 5

Jeff Cobb

NJPW G1 Climax 34: Day 6

Jeff Cobb

NJPW G1 Climax 34: Day 7

Jeff Cobb

NJPW G1 Climax 34: Day 8

Jeff Cobb

NJPW G1 Climax 34: Day 11

Jeff Cobb

NJPW G1 Climax 34: Day 13

Jeff Cobb

NJPW G1 Climax 34: Day 9

Jeff Cobb

NJPW G1 Climax 34: Day 15

Jeff Cobb

NJPW G1 Climax 34: Day 12

Jeff Cobb

NJPW G1 Climax 34: Day 16

Jeff Cobb

NJPW G1 Climax 34: Day 14

Jeff Cobb

NJPW New Japan Soul 2024: Day 3

Jeff Cobb

NJPW New Japan Soul 2024: Day 5

Jeff Cobb

NJPW New Japan Soul 2024: Day 4

Jeff Cobb

NJPW 52nd Anniversary Event & New Japan Cup 2024: Day 1

Jeff Cobb

NJPW New Japan Cup 2024 • Day 2

Jeff Cobb

PWG: 2016 Battle of Los Angeles - Stage One

Jeff Cobb

PWG: Smokey And The Bandido

Jeff Cobb

NJPW G1 Climax 34: Day 17

Jeff Cobb

NJPW G1 Climax 34: Day 18

Jeff Cobb

NJPW Shingo Takagi's 20th Debut Anniversary Event

Jeff Cobb

NJPW G1 Climax 34: Day 19 (Final)

Jeff Cobb

NJPW Destruction In Kobe 2023

Jeff Cobb

NJPW Destruction In Ryogoku 2023

Jeff Cobb

PWG: Game Over, Man

Jeff Cobb

PWG: Mystery Vortex IV

Jeff Cobb

PWG: Only Kings Understand Each Other

Pancakes & Piledrivers II: The Indy Summit

Himself

PROGRESS Chapter 67: Bourbon Is Also A Biscuit

DEFY6 The Crash Lucha Libre

Jeff Cobb

DEFY1 Legacy

Jeff Cobb

DEFY Vs. ECCW 2017

Jeff Cobb

DEFY2 Wolves At The Door

Jeff Cobb

DEFY8 Kings Among Men

Jeff Cobb

Bar Wrestling 3: Bar Of Hardcore

ScrapperMania 4

Bar Wrestling 11: April O'Neil

Bar Wrestling 6: Head Of Household

Jeff Cobb

Bar Wrestling 9: February Stars

Jeff Cobb

PWG: 2017 Battle of Los Angeles - Stage One

Jeff Cobb

NJPW G1 Special In San Francisco

Jeff Cobb

PWG: All Star Weekend 13 - Night One

Jeff Cobb

PWG: Head Like A Cole

Jeff Cobb

PWG: Time Is A Flat Circle

Jeff Cobb

PWG: Nice Boys (Don't Play Rock and Roll)

Jeff Cobb

PWG: THIRTEEN

Jeff Cobb

PWG: Man On The Silver Mountain

Jeff Cobb

PWG: All Star Weekend 14 - Night One

Jeff Cobb

PWG: Mystery Vortex V

Jeff Cobb

PWG: 2017 Battle of Los Angeles - Final Stage

Jeff Cobb

PWG: 2017 Battle of Los Angeles - Stage Two

Wrestlecon Supershow 2018

Jeff Cobb

NJPW Fighting Spirit Unleashed

Jeff Cobb

ROH: Final Battle 2018

Jeff Cobb

ROH: Honor Reigns Supreme

Jeff Cobb

ROH & NJPW: Global Wars - Lewiston

Jeff Cobb

Bar Wrestling 1

Jeff Cobb

Bar Wrestling 8: Happily Ever After

Jeff Cobb

NJPW New Year Dash !! 2019

Jeff Cobb

NJPW G1 Climax 29: Day 5

Jeff Cobb

ROH: Best In The World

Jeff Cobb

NJPW G1 Climax 29: Day 6

Jeff Cobb

NJPW G1 Climax 29: Day 7

Jeff Cobb

NJPW G1 Climax 29: Day 4

Jeff Cobb

NJPW G1 Climax 29: Day 1

Jeff Cobb

NJPW G1 Climax 29: Day 3

Jeff Cobb

NJPW G1 Climax 29: Day 8

Jeff Cobb

NJPW G1 Climax 29: Day 9

Jeff Cobb

NJPW G1 Climax 29: Day 10

Jeff Cobb

NJPW G1 Climax 29: Day 2

Jeff Cobb

NJPW G1 Climax 29: Day 11

Jeff Cobb

NJPW G1 Climax 29: Day 12

Jeff Cobb

NJPW G1 Climax 29: Day 13

Jeff Cobb

NJPW G1 Climax 29: Day 14

Jeff Cobb

NJPW G1 Climax 29: Day 15

Jeff Cobb

NJPW G1 Climax 29: Day 19 (Final)

Jeff Cobb

NJPW G1 Climax 29: Day 16

Jeff Cobb

NJPW G1 Climax 29: Day 18

Jeff Cobb

NJPW G1 Climax 29: Day 17

EVOLVE 78

CEOxNJPW When Worlds Collide

PWG: 2018 Battle of Los Angeles - Stage Two

PWG: 2018 Battle of Los Angeles - Stage Three

WrestleCon SuperShow 2017

Jeff Cobb

ROH: Death Before Dishonor XVII

NJPW Wrestling Dontaku 2019 - Night 1

Jeff Cobb

NJPW G1 Climax 30: Day 3

Jeff Cobb

NJPW G1 Climax 30: Day 11

Jeff Cobb

NJPW G1 Climax 30: Day 1

Jeff Cobb

NJPW G1 Climax 30: Day 13

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 15

Jeff Cobb

NJPW G1 Climax 30: Day 17

The Monster Matanza Cueto

AAA TripleMania XXIV

Jeff Cobb

NJPW Wrestle Kingdom 15: Night 2

Jeff Cobb

ROH & NJPW: G1 Supercard

AAW Showdown 2018

Jeff Cobb

IMPACT Wrestling vs. Lucha Underground 2018

Jeff Cobb

ROH: Bound By Honor

Jeff Cobb

ROH: 17th Anniversary

Jeff Cobb

ROH: Final Battle 2019

El Jefe Cobo

ROH: Unauthorized

Jeff Cobb

NJPW New Year Dash !! 2021

PWG: Mystery Vortex VI

Jeff Cobb

NJPW Castle Attack 2021 - Night 2

Jeff Cobb

NJPW Castle Attack 2021 - Night 1

Jeff Cobb

NJPW Sakura Genesis 2021

Jeff Cobb

ECCW 23rd Anniversary Show

Jeff Cobb

Sorry You're Watching This: Jeff Cobb & Brody King

Jeff Cobb

NJPW Wrestle Grand Slam in MetLife Dome: Night 1

Jeff Cobb

NJPW Road to Destruction 2024: Day 2

Jeff Cobb

NJPW Road to Destruction 2024: Day 3

Jeff Cobb

NJPW Road to Destruction 2024: Day 4

Jeff Cobb

NJPW Road to Destruction 2024: Day 5

Jeff Cobb

NJPW Destruction In Kobe 2024

Jeff Cobb

NJPW: King Of Pro Wrestling 2024

Jeff Cobb

NJPW Power Struggle ~ Super Junior Tag League 2024

Jeff Cobb

NJPW Wrestle Kingdom 19

Jeff Cobb

NJPW x STARDOM: Historic X-Over II

Jeff Cobb

GCW Josh Barnett's Bloodsport 4

Jeff Cobb

NJPW x AEW x CMLL x ROH x STARDOM: Wrestle Dynasty

Jeff Cobb

NJPW New Year Dash!! 2025

Jeff Cobb

NJPW Battle in the Valley

Jeff Cobb

GCW Josh Barnett’s Bloodsport 5

Jeff Cobb

NJPW Sakura Genesis 2025

Jeff Cobb

NJPW New Japan Cup 2025 - Final

Jeff Cobb

WWE Backlash 2025

JC Mateo

WWE Night of Champions 2025

Personal Info

Known For

Acting

Known Credits

227

Gender

Male

Birthday

1982-07-11

Place of Birth

Honolulu, Hawaii, U.S

Also Known As

Mr. Athletic