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.

[1] After going on a hiatus for a short time, during which Joe Coffey was suspended by WWE due to sexual harassment allegations.

At NXT Stand & Deliver, Gallus defeated the Creed Brothers & The Family to retain the tag titles with help from a returning Joe Coffey.

[5] In April 2024, ESPN reported that Gallus help trained The Rock for his tag team match with Undisputed WWE Universal Champion Roman Reigns against Cody Rhodes and World Heavyweight Champion Seth "Freakin" Rollins at Night 1 of WrestleMania XL.