What do platypi and underwear have in common?

A couple of fellow artists and I are going to start selling handmade underwear (men's only to start) on Etsy. They'll be embroidered with our own illustrations. Intrigued? Have a suggestion? Let me know! The site will be up shortly and I will post developments here as they happen...

Here's a sneak peak of one of the illustrations that will most likely get embroidered...