Own a piece of martial arts and pop culture history with this authentic 8x10 photograph signed by Martin Kove, legendary for his role as John Kreese, the ruthless sensei of Cobra Kai, in The Karate Kid and the hit series Cobra Kai.

Kove’s portrayal of Kreese—iconic for his hard-edged philosophy and unforgettable “Strike first. Strike hard. No mercy.” mantra—has cemented him as one of the most recognizable villains in martial arts cinema. This signed 8x10 photo captures the intensity and presence that have made him a fan-favorite for generations of Karate Kid and Cobra Kai fans.

Authenticated by JSA (James Spence Authentication), this autograph comes with a matching Certificate of Authenticity (COA), guaranteeing its legitimacy and making it a prized addition to any martial arts, movie, or TV memorabilia collection.

Perfect for display in your home, office, or collector’s cabinet, this signed photo is a must-have for fans of classic cinema and modern Cobra Kai enthusiasts alike.

🥋 Product Details

• Celebrity: Martin Kove

• Role: John Kreese

• Film / Series: The Karate Kid (1984) / Cobra Kai (2018–present)

• Item Type: Hand-signed 8x10 photograph

• Authentication: JSA COA (James Spence Authentication)