Batman & Demon: A Tragedy — DC Comics
Issue: #1
Something is stalking the streets of Gotham. A mysterious being is brutally slaying the villains that normally prey on the city's innocents, a supernatural, demonic creature that looks strangely like a bat. Billionaire Bruce Wayne confronts the menace of the "Bat-Demon" and learns a shocking secret about himself and those closest to him in BATMAN/DEMON: A TRAGEDY, a dramatic Elseworlds one-shot i...
Creators: Dennis O'Neil, Alan Grant, Clem Robins, James Murray
Characters: Batman, Alfred Pennyworth, Killer Croc, Poison Ivy, James Gordon, Catwoman, Etrigan, Mortimer Gunt, Merlin