Turtle Sketches!

So, I do a little sketching before I hop into doing finished page illustration and today I decided it was a TMNT kinda day.  I wanna do a lot more, but I'm still figuring out a good mix of detail and just straight up clean, shape design.  The full figure Raph was my attempt to mix the comics version with the cartoon version.  Ultimately, I think it's a little too goofy...