Ralph Macchio writes of embracing his 'Karate Kid' persona

There was a time in Ralph Macchio’s life where he couldn’t imagine playing “ Karate Kid ” protagonist Daniel LaRusso ever again. After three films, Macchio didn’t think there was more to add to the story, and he wanted to flex his acting chops with other roles.

“People think I live in Newark, New Jersey, and my mom drives a green station wagon, and I have this Japanese American guy who fixes the faucet when I need him," said the actor, who has a new book out called “Waxing On: The Karate Kid and Me,” (Dutton,) about his experience making “Karate Kid” and how time helped him to embrace his association with the character.

Macchio's feelings were only reinforced in 2005 when Pat Morita, who played his mentor and father figure, Mr. Miyagi, passed away.

“It just seemed, why dance a solo without my partner? It’s like, you know Abbott without Costello... He and I had something special from the moment he started reading Mr. Miyagi and I would answer back as Daniel. That chemistry was unique and effortless."

Over time, it was William Zabka, who played Macchio's “Karate Kid” nemesis Johnny Lawrence, who felt there was more story to tell.

“He was always like, 'I wonder if there’s a way to bring these two together," said Macchio.

Macchio was surprisingly intrigued when Josh Heald, Jon Hurwitz, and Hayden Schlossberg pitched the idea of “ Cobra Kai,” a continuation series of these characters some 30 years later. After two seasons on YouTube, it was picked up by Netflix where it was nominated for an Emmy Award for outstanding comedy series. Season five is now streaming.

“They just saw how you could open up this world and take the black and white of ‘Karate Kid’ and add all these gray shades of these characters where not everyone is good or bad all the time and your allegiance may...