If you don't give it up for The Fireball Kid, everyone will know you're not a real MMA fan.
I'm exaggerating a little bit, for comedic effect. But no embellishment needed on this statement: Takanori Gomi is one of the best MMA lightweights of all time.
Back when so many modern fans were in the short pants, Gomi was becoming the first (and, it turned out, only) lightweight champion in a little organization known as Pride. He also held that title in Shooto. And he did it because of his hard-hitting, hard-chinned style, which netted him 13 wins by way of knockout in a 35-10 (1) record.