Where can I get a unique iPhone case?

So I have the iPhone 4S, and I was wondering if anyone knew where I could buy a cartoon Billie Joe Armstrong case, or if they even exist.

Ebay, Amazon. I don't think there's any particular store

You could make your own iPhone cases online.

You can view http://gamedepot4u.com/apple-iphone-5-c-72.html to find some iphone case you want. It is a reliable website where you can get whatever iphone case you want.

You can make your own cases as suggested previously but you could also browse this website that carries unique cases from around the world. They have pretty low prices and free shipping as well.

Yes, you may search from amazon or ebay. I suggest you find someone to help you design this kind of case. Because this kind of iphone case is rare in today's market.