He's an Irish martial arts practitioner, signed up for a role in GoT. He's got the basic GoT requirements....big, bearded and looks mean in a scrap! Not sure if it is a speaking part though!
Conor Anthony McGregor is an Irish professional mixed martial artist and professional boxer who is currently signed to the Ultimate Fighting Championship. He is the reigning UFC Lightweight Champion, and former UFC Featherweight Champion.
mickysf
Motorhomer