Any Traditional Martial Arts practitioner who claims to be qualified should be able to clearly demonstrate what they have developed. Otherwise, how will you know that what you are learning has any merit? Traditional Martial Arts has never been based merely on someone’s claim or opinion, but instead, on what can be clearly demonstrated.
8 Martial Arts
Oom Yung Doe teaches 8 complete martial arts as one:
More information and a longer video showing extended demonstrations of each of the 8 martial arts is available here.