Answer
Daniel LaRusso, the protagonist of "The Karate Kid," is portrayed by Ralph Macchio. A bullied teenager, Daniel seeks guidance from Mr. Miyagi, an elderly karate master, to defend himself against his tormentors. Through rigorous training and the philosophy of "wax on, wax off," Daniel develops both physical and mental strength, culminating in a climactic karate tournament where he faces his main antagonist, Johnny Lawrence.