Gentleman Jack Gallagher
British professional wrestler and mixed martial artist
ジャック・ギャラガー · 잭 갤러허
- Born
- 7 January 1993, Manchester
- Citizenship
- United Kingdom
- Sport
- mixed martial arts, professional wrestling
- Occupation
- professional wrestler, mixed martial arts fighter
- Height
- 170 cm (5 ft 7 in)
- Weight
- 80 kg (176 lb)
Oliver Westfield Claffey (born 7 January 1990), better known by the ring name Jack Gallagher and most recently Jack Claffey, is an English mixed martial artist and a former professional wrestler. He is best known for his time in WWE, where he performed on the NXT and 205 Live brands, mostly under the ring name Gentleman Jack Gallagher.
Claffey had worked in the British Independent circuit since 2006. In 2016, he competed on the WWE tournament Cruiserweight Classic. After the tournament, he was signed to a WWE contract and worked on the 205 Live brand, exclusively for cruiserweights.
External links
Facts from Wikidata Q6112649 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.
Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.