Pachygaroo is a fictional character from Kishiryu Sentai Ryusoulger, appearing as one of the Kishiryu, the dinosaur-themed mecha allies tied to the Ryusoul Tribe. He is portrayed as a large, kangaroo-like Kishiryu with a playful but powerful presence. In the series, Pachygaroo serves as a support and combat partner, combining mobility, strength, and transformation abilities to assist the heroes in battle. He contributes to the team’s mecha combinations and action sequences, helping the Ryusoulgers fight the Druidon Tribe.