Origin
Harold Carl Everson was a writer who decided to undergo the Morituri Process to receive the power to fight against the invading forces of The Horde. Given at most one year to live, he opted to chronicle his time with Strikeforce Morituri, hoping that his writings of his time with them would be his legacy.
Creation
Vyking was created by Peter Gillis and Brent Anderson and first appeared in Strikeforce: Morituri #1.