All the characters in Cobra Kai mattered, no doubt. But some really managed to make an impact way better than others, either because they made a big impact on the story or had clear growth.

‘Cobra Kai’ Creators Explain Final Season’s AI Mr. Miyagi and Their ‘Back to the Future’ Pitch. Josh Heald, Jon Hurwitz and Hayden Schlossberg discuss their Netflix series' inevitable ...