Created by Stan Lee and Don Heck, the Gregor Shapanka version of Blizzard appeared as Jack Frost in Tales of Suspense #45 (September 1963), and as Blizzard beginning in Iron Man #86 (May 1976).
The Donnie Gill Blizzard first appeared in Iron Man #223 (October 1987) and was created by David Michelinie and Bob Layton.