ArrGack served as the Ugor species' principal Chief Tax Chaplain. To gain access to the Paradise Sector, he and his subordinate, GrrKack, accepted a bribe from the Alliance shuttle, the Bonderium. The Bonderium's head chef, L9-G8, gave the crew instructions on how to prepare an Ugorian banquet, consisting of: single-celery soda, spirogyra gelatin, glazed glucose pate, free-floating fungal fondu, mitochondria crunchy surprise, and photo-lipids in brazened fatty-acid sauce.