Mike Mignola (W/Cover), Ben Stenbeck (A), and Dave Stewart (C). Miniseries Mike Mignola teams up with artist Ben Stenbeck (B.P.R.D.: The Ectoplasmic Man) for a long-awaited glimpse into one of the Hellboy universe's greatest enigmas: nineteenth-century occult investigator Edward Grey! The creature's rampage continues as Grey finds himself set against not only a murderous monster, but also London's most powerful occult society: the Heliopic Brotherhood of Ra. o Sheds light on the true history of Edward Grey, one of the greatest enigmas of the Hellboy universe.