Oliver Westfield Claffey is an English professional wrestler and mixed martial artist. He is best known for his time in WWE, on the NXT and 205 Live shows under the ring name Gentleman Jack Gallagher.
He is also known for his time with the independent promotions such as Futureshock Wrestling and Grand Pro Wrestling (GPW), he is a two-time FSW Champion and a one-time GPW British Champion. He is also an accomplished tag team competitor, winning the Futureshock Tag Team Championship (with Alex Cyanide). He is also an alumnus of British independent wrestling promotion Progress Wrestling.
- Futureshock Wrestling Championship
- Futureshock Wrestling Tag Team Championship
- Grand Pro Wrestling Gallagher's Gold Championship
- Grand Pro Wrestling British Championship