Mike Mignola (W/Cover), Ben Stenbeck (A), and Dave Stewart (C) Witchfinder: In the Service of Angels chronicles one of Edward Grey's first cases as an agent of the queen, which takes Grey from the sparkling echelons of Victorian London to its dark underbelly in his first clash with the city's most infamous secret society: The Heliopic Brotherhood of Ra. o Mike Mignola teams up with artist Ben Stenbeck (B.P.R.D.: The Ectoplasmic Man) for a look into one of the Hellboy universe's greatest enigmas: nineteenth-century occult investigator Edward Grey! From the pages of Hellboy and Abe Sapien! .