And now something from the vault. Long, long ago I made some black and white newspaper style Zita strips. Most of them have been lost, but I recently found this one lurking on old internet archives. It's one of a series of three wherein Zita sneaks into the Robot Rally, using a cardboard box as a disguise, and uncovers a sinister plot. I don't usually like to repost my older works, but this one holds up pretty well, I think.
Perhaps more interesting still, here's an old image from the Zita website. You can see how the character has changed: