Gradabug is a prisoner in CloudRunner Fortress. He is a servant of the Queen CloudRunner. Gradabug helped Fox on a few occasions in CloudRunner Fortress. He tells Fox how to get to the SpellStone and also gives him a key to the generator room. It isn't known just what kind of dinosaur Gradabug is, or if he has a tribe of his own.
- Some sources imply his tribe is called BoneHead tribe.