Yia sou!! Welcome to the official website of Kirios Grandmaster JIM ARVANITIS, legendary father of modern pankration and MMA pioneer. His name and the restoration of the world's original mixed martial art are indeed synonymous. Within this site you will find valuable information on Jim's background and achievements, classes for instruction in his dynamic combat system, testimonials from leading sources on his contributions to mainstream martial arts, and many of his media appearances. There is also an online store to purchase his exclusive line of products. Please feel free to contact us for any questions.