On the 5 December show of NXT UK, the trio of the Coffey brothers and Wolfgang was officially dubbed Gallus (Scottish slang for daring or confident) in a segment calling out British Strong Style, as well as Travis Banks.[citation needed]
Gallus debuted in the 12 December 2018 show of NXT UK, with members Mark Coffey and Wolfgang defeating Ashton Smith & Ligero in a tag match.
At New Year’s Evil on 10 January 2023, Gallus returned from their suspension and won a gauntlet match to become the #1 contenders for the NXT Tag Team Championship, which they won on Vengeance Day the month after. On the 14 March show of NXT, Gallus retained their titles against Pretty Deadly. At NXT Stand & Deliver, Gallus defeated the Creed Brothers & The Family to retain the tag titles with help from a returning Joe Coffey.[4] Gallus would defend against the Creeds and The Dyad in the next months including a triple-threat on the 14 April show of NXT & against the Creeds at NXT Battleground. At NXT Gold Rush, Gallus defeated Malik Blade and Edris Enofe. At NXT: The Great American Bash, Gallus lost the NXT Tag Team Championship to Tony D'Angelo and Channing "Stacks" Lorenzo, ending their reign at 176 days.[5] In April 2024, ESPN reported that Gallus help trained The Rock for his tag team match with Undisputed WWE Universal ChampionRoman Reigns against Cody Rhodes and World Heavyweight ChampionSeth "Freakin" Rollins at Night 1 of WrestleMania XL.[6] On the May 14, 2024 show of NXT, and as the show was going off the air, the cameras went backstage, showing Wes Lee, Josh Briggs & Ivar assaulted backstage. The attackers were then revealed to be Gallus, making their first televised appearance on NXT since the February 13, 2024 show of NXT.[7] On Week 1 of Great American Bash, they attacked Joe Hendry during his concert. On Week 2, Joe Coffey faced Hendry in a losing effort. On a show of TNA, Wolfgang wrestled against Hendry, in yet again, a losing effort.