Older audience

I usually get jobs illustrating for Kindergarten to 2nd grade. They are lots of fun, but I would like to do an older age group too. Here is a recent sketch I did for a travel games book job (its a spot for a category game you play in the CAR, therefore CARtegory:

The art director thought it looked a bit too young, so I made them a bit funkier:

And here is the final!