After a week or so of farting around in my sketch book, playing with designs and proportions, I decided to sit down and do a walk cycle. This is very rough, and I'm hoping to simply get my feet wet. I need more intermediate frames and more exaggerated movements, but here it is:
Also, here's a enemy/boss design I farted around with:
And finally, I tried to simplify the Spy Jupiter character design, to make animation easier:
Definitely more to come.