Sheb Wooley, 1958.
He also starred in the old western "Rawhide" as Pete the scout alongside Clint Eastwood as Rowdy Yates.
https://www.youtube.com/watch?v=5jV-E09efRE
Actually, the Purple People Eaters were the defensive line for the Minnesota Vikings from 1967 to 1977.
Alan Page, Carl Eller, Jim Marshal, Gary Larsen and Doug Sutherland made up the line.