Not that I know of, though if you need a base to start with, we already know that Marshal Brass is decked out in one of the wolfspider derivatives.
A Penny For Your Thoughts #348691 <- Dev's Choice'd by Dr. Aeon!
Submit your MA arc for review & my arcs thread
... any images of Marshal Blitz anywhere? I know the general back story on the character from the various wikis and so forth... enough to work with anyway, but I want to include him in an arc and I need an image to work with to start with the create to custom character.