Ok I see how having one for judo,jitz, ect might be cumbersome.
So why not just a catch all title for all art forms?
Could use "Practitioner" for anything other than a mma fighter. I think it would be a cool little perk.
"I fear no man, but Jim Harrison and Mike Stone are the two last men that I would wish to meet in an alley fight. Jim Harrison's fighting style is not flamboyant or spectacular, it's just simple and deadly!" - Bruce Lee