Reaks is a man with jet-black hair and deep blue eyes, typically clad in a navy blue outfit marked by a vertical maroon stripe down the center, brass buttons, matching navy blue pants, and thigh-high brown boots. He is perpetually in a hurry and consistently humorous. As a postman in the Capital of Mages, he specializes in exceptionally efficient mail delivery. His role demands locating recipients regardless of their whereabouts, even without prior knowledge of their location, achieved through his unique physical abilities: superhuman speed surpassing a horse and advanced detection skills for precise tracking. He shares a foundational bond with Luccia Wayne, who raised him from a young age. Reaks is additionally affiliated with Shadow Puppet, an intelligence-gathering organization.