John Kreese, played by the one and only Martin Kove, has been as central to "Cobra Kai" as he was to the original "Karate Kid" films.

Martin Kove reprises his role as John Kreese, a Vietnam war veteran and the no-nonsense sensei at the Cobra Kai Dojo Martin Kove was surrounded by loved ones as he celebrated the series finale of Netflix's Cobra Kai.

Martin Kove told Fox News Digital that he believes "Karate Kid" has remained so popular because the characters have remained the same and parents can watch it with their kids.