World Wrestling Entertainment has reported the passing of WWE Hall of Famer Walter "Killer" Kowalski. Kowalski, who was an in-demand performer in the 1950's and '60's, was a former WWWF (World Wide Wrestling Federation) Tag Team Champion in the late-1970's. He was inducted into the WWE Hall of Fame in 1996. He was instrumental in the training of many WWE Superstars, including current WWE Champion Triple H.
