In the original Dinosaur Planet, Krystal would come across a pachycephalosaurid dinosaur at CloudRunner Fortress, who is revealed to be one of the SpellStone guardians, who also gives Krystal the Illusion spellpage to bypass the SharpClaw guards within the dungeon. In-game hints, task summaries and also internal data reveal him to be of the "BoneHead" tribe.

This individual would appear in the final Star Fox Adventures, with his role slightly rewritten as the chief engineer at CloudRunner Fortress (The Queen CloudRunner took over his original role as the SpellStone Gatekeeper for this area). Talking to him in a cutscene will reveal his name to be "Gradabug". While not mentioned anywhere in-game, the Star Fox Adventures Nintendo Power guidebook reaffirms him belonging to the BoneHead tribe.