Władek (later Walter) "Killer" Kowalski, born Edward Władysław Spulnik, was a Polish-Canadian professional wrestler. Kowalski wrestled for numerous promotions during his career, including the NWA and WWF, and was a known heel wrestler. After retiring in 1977, Kowalski started a professional wrestling school in Malden, Massachusetts and trained many professional wrestlers, including Triple H, Chyna, Eddie Edwards, Kofi Kingston, Damien Sandow, Fandango, Brittany Brown, April Hunter, John Kronus and Perry Saturn.