Martin Kove (; born March 6, 1946 ) is an American actor. He is best known for his role as John Kreese, the main antagonist of The Karate Kid (1984). He reprised the role in The Karate Kid Part II (1986), The Karate Kid Part III (1989), and the television series Cobra Kai (2018–present). Kove also appeared as Nero the Hero in Death Race 2000...