Larook was a Hutt, possessing a masculine disposition, who held the position of leader within the Bareesh kajidic throughout the Galactic Civil War. In the era of Larook's leadership, the kajidic, despite its former status as a prominent Hutt clan, had diminished in influence and was actively striving to regain its former glory. Consequently, Larook took a proactive stance, immersing himself and the Bareesh in the intricacies of Hutt political affairs, which provoked considerable animosity from the more powerful Hutt clans.