My drawing of Splinter may have sent some mixed signals, and you might not have noticed the pertinent details in my depiction of Shredder--but today it should be perfectly clear that I'm drawing upon the 90's cartoon version of the Ninja Turtles. Here's Krang (with the Technodrome silhouetted in the background):
click above for larger view
This is my favorite of the current batch, which may be an unwise thing to say before I post the final one, but I'm satisfied with the others as well. There's just something about the way the colors turned out on this particular one that makes me think I'm starting to get it. I'm also pretty happy with the irate parallel motion of Krang and his dopey android body.
This series illustrating TMNT supporting cast members follows a series from last year depicting the Turtles themselves: