Gojun, Dragon King of the Western Sea (西海竜王・敖潤), blends draconic and human traits: silver hair braided long with horns piercing through, eyes featuring red sclera and yellow slit pupils, pale skin dotted with scales, and elongated pointed ears. His frame is tall and lean, characteristic of his universe yet distinctly youkai-like. As Heaven’s Western Army highest-ranking officer, he commanded Tenpou Gensui and Kenren Taisho with strict discipline, demanding formal salutations and ruthlessly prioritizing efficiency by discarding excess. He enforced Heaven’s absolute orders but showed particular regard for Tenpou’s abilities. His history intersects with the rebellion led by Konzen Douji, Kenren, Tenpou, and Son Goku, during which rebels took him hostage to secure passage toward the Dimensional Gate to the Lower World. Though he didn't grasp their motives, he witnessed their actions and resolve firsthand during the conflict. The OVA adaptation presents his perspective through retrospective narration detailing his reports to heavenly authorities afterward. His connection to the main *Saiyuki* narrative stems from his mythological origin as an adaptation of *Journey to the West*'s Ao Run, Dragon King of the Western Sea. This lore also reveals his later identity as Hakuryuu, the shape-shifting dragon who becomes Genjo Sanzo’s Jeep, mirroring the legend where Xuanzang’s horse was a punished Dragon Prince. According to supplementary details, he authored *Gaiden* as his memoirs of the heavenly rebellion. Personally, he prefers boiled vegetables and avoids spicy foods due to sensitive taste buds, plays chess proficiently despite indifference, feels attraction toward serious, masculine-leaning women, and favors the color silver.