The Transformation of J.H. O’Donnell is a one-shot published May 2012.
The Transformation of J.H. O’Donnell is part of the Hell on Earth cycle, but it is a side story, focusing mainly on flashback events. It features a cover by Max Fiumara with a "Year of Monsters" variant by Mike Mignola.
Twenty-four years ago, Hellboy took mild-mannered Professor J.H. O’Donnell to the secret library of a recently dead necromancer. Since that day, O’Donnell has been the Bureau’s expert on the powerful ancient forces intent on ending the age of man. Find out what O’Donnell saw in this supernatural thrill ride.
|B.P.R.D. Publication Order|
The Devil's Engine
|The Transformation of J.H. O’Donnell|| Followed by|