William Michael Zabka (born October 20, 1965) is an American actor. He is best known for his role as Johnny Lawrence in The Karate Kid (1984), The Karate Kid Part II (1986) and the TV series Cobra Kai (2018–present). Zabka, born in New York City, graduated from El Camino Real Charter High School in Los Angeles in 1983. His acting career took off with The Karate Kid, despite having no prior karate training. Wikipedia