Wally Koz: Wally Koz. Producer: 555. Wally Koz was the director and producer of the infamous shot-on-video psycho splatter item "555," which was one of a bunch of extremely low-budget, yet enjoyably crude and gory shot-on-video underground independent horror pictures made during the VHS boom of the mid to late 80s. "555" was made with the help of Wally's family and friends. It was shot and takes place in Koz's hometown of...