Koshchei the Deathless — Dark Horse Comics
Issue: #1
Sent to kill Hellboy by the Baba Yaga in Darkness Calls, Koshchei the Deathless hinted at a long and tragic life before being enslaved to the Russian witch. Now Koshchei relives every horrible act on his road to immortality and beyond, with none other than Hellboy himself--in Hell.Mignola reunites with one of his favorite collaborators, Ben Stenbeck (Frankenstein Underground, Witchfinder: In The S...
Creators: Mike Mignola, Clem Robins, Ben Stenbeck, Scott Allie, Katii O'Brien, Cindy Cacerez-Sprague, Dave Stewart, Christina McKenzie
Characters: Hellboy, Koku, Koschei the Deathless, Leshy, Gremory, Death, Baba Yaga, Domovoi, Vasilisa