Sopp was trained to wrestle by his father, Billy Gunn. On June 17, 2020, he appeared with the Jacksonville, Florida-based promotion All Elite Wrestling (AEW), accompanying his father to ringside for his match against MJFonAEW Dynamite and being confronted by Friedman's bodyguard Wardlow.[6][7] Later that month, Sopp's father filed a trademark for "Colten Gunn".[8] On episode #53 of the web television show AEW Dark, which aired on September 22, Sopp accompanied his father and his brother to ringside for a tag team match.[9]
Sopp made his professional wrestling debut with AEW on November 11, 2020 as "Colten Gunn", teaming with his father and his brother Austin (as "Gunn Club") to defeat BSHP King, Joey O'Riley, and Sean Maluta in a six-man tag team match.[1] The match was broadcast on episode #62 of AEW Dark on November 17, 2020.[4] He returned in the following weeks, teaming with his father and brother in further six-man tag team matches and tag team matches.[10][11][12] As part of Gunn Club, Gunn became a member of Cody Rhodes' Nightmare Familystable. On the March 3, 2021 episode of AEW Dynamite, Gunn Club were at ringside for a tag team match pitting Rhodes and Red Velvet against Shaquille O'Neal and Jade Cargill; during the match, Austin Gunn attacked O'Neal at ringside, prompting him to beat down Austin and Colten.[13] Gunn wrestled his first match on pay-per-viewatRevolution on March 7, 2021, competing alongside Austin in a "casino" tag team battle royal.[14] Throughout the remainder of 2021, Gunn primarily teamed with his father in tag team bouts on AEW Dark and AEW Dark: Elevation.[15] Gunn wrestled his first match on AEW Dynamite on August 25, 2021, teaming with his father and brother to defeat The Factory in a six-man tag team match.[16]
On the September 1, 2021 episode of AEW Dynamite, the Gunn Club turnedheel by attacking Paul Wight.[17] In November 2021, the Gunn Club began a short feud with Darby Allin and Sting that saw Colten sustain his first defeat on the December 1, 2021 episode of Dynamite when he was pinned by Sting;[18][19] this loss also marked the end of the Gunn Club's undefeated streak in AEW.[20] On February 9, 2022, in a match which would air two days later on AEW Rampage, Colten and Austin Gunn wrestled for the AEW World Tag Team Championship, losing to reigning champions Jurassic Express.[21] In May 2022, the Gunn Club formed an alliance with the Acclaimed which lasted until July 2022 when the Gunn Club turned on the Acclaimed; on the August 3, 2022 episode of Dynamite, the Acclaimed defeated the Gunn Club in a dumpster match.[22][23]
In June 2023, the Gunns joined Bullet Club Gold alongside Jay White and Juice Robinson.[32] On the January 17, 2024 episode of Dynamite, the Gunns and White defeated Mogul Embassy to win the ROH World Six-Man Tag Team Championship.[33] In the same month, the Gunns and White joined forces with the Acclaimed and Billy Gunn to form a new stable, the "Bang Bang Scissor Gang".[34]AtRevolution in March 2024, the Bang Bang Scissor Gang defeated Jay Lethal, Jeff Jarrett, Satnam Singh, Willie Mack, and Private Party in a 12-man tag team match.[33] Later that month, the Bang Bang Scissor Gang disbanded after White and the Gunns attacked the Acclaimed and Billy Gunn.[34] On April 5 at Supercard of Honor, Colten made his Ring of Honor (ROH) debut, teaming with Austin and White to retain the ROH World Six-Man Tag Team Championship against Monstersauce (Lance Archer and Alex Zayne) and Minoru Suzuki.[33]AtDynasty on April 21, 2024, Bullet Club Gold defeated AEW World Trios Champions The Acclaimed in a winner takes allchampionship unification match to unify the titles as the Unified World Trios Championship.[35][36] During this time, Bullet Club Gold was renamed the "Bang Bang Gang".[37] On the June 5 Rampage tapings, a returning Robinson wrestled his first match since his return, teaming with the Gunns to win a trios match. After the match, White announced that he was giving Robinson a share of the Unified Trios Championship held by White and the Gunns, thus invoking the Freebird Rule.[38] However, on the July 13 episode of Collision, interim AEW Executive Vice President Christopher Daniels overruled this and stripped the Bang Bang Gang of the Unified World Trios Championship.[39] On the following week, the Gunns and Robinson lost to Christian Cage, Killswitch, and Nick Wayne in a match for the vacant AEW World Trios Championship.[40]
Gunn made his independent circuit debut in September 2021, appearing with Battleground Championship Wrestling in Philadelphia, Pennsylvania.[15] In October 2021, the Gunn Club participated in "Chris Jericho's Rock 'N' Wrestling Rager at Sea Triple Whammy", a professional wrestling event held aboard the Norwegian Jewel.[15] In March 2022 on New South Wrestling's "Resurrection" pay-per-view, Gunn won his first title, teaming with Austin Gunn to defeat TME for the NSW Tag Team Championship. The Gunn Club lost the titles to the Bad News Boyz later that month.[41]
^PG, Andy (May 24, 2021). "AEW Elevation: May 24, 2021". BlogOfDoom.com. Retrieved May 25, 2021. Then Colten wanted to try it to [sic], as he gave up being a Southern Cal construction worker to step into the ring.
^Moynahan, Patrick (November 25, 2020). "11/24 AEW Dark TV report". PWTorch.com. Retrieved November 25, 2020. Colten followed it up with a Colt 45 (Fameasser) for the win.