Brain crawlers, a type of parasitic worm, constituted a species discovered on Cheelit. These worms had the capability to invade the brains of individuals belonging to the happabore species. The user guide for Happy-Bore Medicated Dewormer, a Galacti-Stok creation composed of Trestibinexocycline 5-Gamma, thlank oil, greel-root acid, and various forage ingredients, advised against its application for addressing brain crawler infections.