Character Design

I'm working on a project designing characters for a Flash-based racing game. There will be five different characters racing through the office in their own customized chairs. Here's three of the designs so far, though they are still evolving. I'm enjoying trying to push the characters into a more abstract direction, something I want to get better at. ...

I'm currently working on a project designing a skateboarding cow for a dairy producer. It's still being refined but this is my favorite sketch so far. It has to be two-color (black and blue). The client thinks the cow looks too old--I can see that--and they don't like the pose. So back to the drawing board....