For one of the characters I decided to go with an insect-meets-human hybrid. Now, this was for a comedy, so I needed an insect that had comedy potential. Anyone who's read The Tick knows that the moth certainly has comic potential. I decided to start there.
I did some initial rough sketches, stuff that eventually began to looked like this:
There were elements I liked in these first sketches, so for the next pass I focused on refining those likeable elements while also searching for new ones:
Adding the extra set of arms really helped sell him for me. I figured we could get some great comic acting out of somebody with two sets of arms.
Eventually you have to start thinking about color:
One more pass to tighten the color palette and put him in an action pose:
One last thing: I wanted to drop him into some sort of scene, just to see how he would settle into it. There was no BG art yet done that I could use, but I knew that the show was set in a very mundane, present-day American Anytown. So I put him in the most mundane place I could think of:
Unfortunately, this was to be moth guy's first and last excursion to Home Depot; the whole project was shelved shortly after I made this image. C'est l'animation!