... is Maestro Corrazza.

He's a black belt (5th Dan) and is a quite a high ranking honcho in Italian Jujitsu. He's also very tolerant too, because on Saturday at a Jujitsu workshop, I kicked him in the nuts. (Sorry 'bout that).

It is, however, consoling to know that a martial artist of such capability still has the same weak points, but it's probably not advisable to do this on a repeated basis if you ever want to see another birthday.