They were '80s rivals in the movie "The Karate Kid." Now Ralph Macchio and William Zabka have become "brothers in arms" on Netflix's "Cobra Kai." ...

Co-starring in 6 seasons of a TV show based on a beloved movie is an extraordinary experience, one Ralph Macchio says he is ...

Thanks to his performance as Johnny Lawrence in "The Karate Kid," William "Billy" Zabka's appearance exemplifies the archetype of all 1980s movie bullies. Suppose you close your eyes and think of ...