[5] On 15 December 2016, it was revealed that Young would be one of 16 men competing in a two-night tournament to crown the first ever WWE United Kingdom Champion on 14 and 15 January 2017.
[8] On the 13 September 2017 episode of NXT, Wolfgang faced Pete Dunne for the WWE United Kingdom Championship in a losing effort.
After the match, Wolfgang was brutally attacked by The Undisputed Era (Adam Cole, Bobby Fish, and Kyle O'Reilly).
On the first 5 December episode of NXT UK, the trio of Wolfgang and the Coffey brothers was officially dubbed Gallus (Scottish slang for daring or confident) during a segment calling out British Strong Style, as well as the returning Travis Banks.
At NXT Stand & Deliver, Gallus defeated the Creed Brothers and The Family to retain the tag titles with help from a returning Joe Coffey.
[18] In April 2024, ESPN reported that Gallus helped train 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.
[22] Trainers include former ICW World Heavyweight Champions Stevie Boy and BT Gunn.
[32] In June 2023, IGPW promoted two events with Fife Pro Wrestling Asylum, which featured FPWA's Andy Roberts defending the Union of European Wrestling Alliances European Heavyweight Championship against IGPW's BT Gunn and Kez Evans.