Vampire + Medusa concept art (DC)

A long while back, I worked on some character concept & toy designs for DC Direct. The project hasn't surfaced, though I was recently given permission to show my concept drawings for the project.
One of the designs I worked on for a Vampire concept was used in a new comic from DC called "FRANKENSTEIN, AGENT OF S.H.A.D.E."

The idea basically was to redesign some classic monster characters with some guidelines and direction that I was given from the awesome art director. We both have a passion for monsters, so I had a lot of ideas to sort through and seam together into a fitting design for each character drawing.

VAMPIRE:

BLOOD TANK (vampire back):

MEDUSA:

*Artbook/ Sketchbook Available! - more info here: Exorcism artbook