Ralph Macchio and William Zabka were 'Karate Kid' rivals. Then 'Cobra Kai' made them pals.
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." ...
Ralph Macchio on revisiting "The Karate Kid"
For Ralph Macchio, if one of them is influencing a ... somewhere, Mr. Miyagi must be smiling.