Bully Island is a place where dinosaur-like bullies are bread by Jerry Rassic, and also where he supposedly researches them. Operation: DUTCHMAN, Bully Island was the 4th world.
- It's learned that Jerry Rassic makes his bullies with Nightmare Substance from Nightmare Enterprises.
- The Big Mom Pirates used this island to connect with Punk Hazard and buy Devil Fruits here.
- Noogie Raptors
- Spark Guys
- Wedgiesaurus Rex
- Xitsflicks (boss)