Jojo's Bizarre Adventure Merchandise If you are a fan of Jojo's Bizarre Adventure, you will want to own some JoJo merchandise. This is especially true if you are looking to cosplay at a convention or even just wear some JJBA-themed merch for yourself. Luckily, there are many places to find some great JJBA-themed products that you can wear. Let's take a look at some of the best ones!