You would have to get a copy of the eligibility rules and see if you qualify. If you did qualify it is safe to say that unless you had some extraordinary skills that you wouldn't fair very well.
It is not possible to give a definitive answer. There are so many organizations that have their championships, and so many people that have held titles.
There could be an infinite number of martial arts for there is no prerequisite to creating a martial art in theory any one could make there own but that doesn't mean that it will be taken seriously
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