Inspector Sleepground Name: Sleepground Rank: Inspector Age: 30 Ability: Profiling Traits: Sometimes called by name, but usually addressed by rank and name combined. Leader of the Mystery Investigation Unit. Sergeant Rather Name: Rather Rank: Sergeant Age: 29 Ability: Action Leader Traits: Subdues criminals with great strength and has a loud voice. Subordinate to Inspector Kwon. Has a bit of a temper. Inspector Kwon Mingu Name: Kwon Mingu Rank: Inspector Age: 35 Traits: Rather's superior, uses physical strength. Calm. Calls Sergeant Rather 'Rather-ya'. Inspector Gakbyeol Name: Gakbyeol Rank: Inspector Age: 36 Ability: Mechanic Traits: Finds work bothersome, but wanders around picking locks. Has tired-looking eyes. Junyeop's senior. Officer Kim Junyeop Name: Kim Junyeop Rank: Officer Age: 30 Traits: Handles computers. Gakbyeol's junior. Since Gakbyeol has a poor sense of direction, he guides him around. Sergeant Gongryong Name: Gongryong Rank: Sergeant Age: 29 Ability: Encyclopedia Traits: Plays a lot of pranks and possesses vast knowledge. Officer Deokgae Name: Deokgae Rank: Officer Age: 27 Ability: Sixth Sense Traits: Gets startled whenever his senses trigger. Occasionally gets angry (especially at Gongryong). A squinty-eyed character. Inspector Oh's junior. Timid. Inspector Oh Junhyun Name: Oh Junhyun Rank: Inspector Age: 36 Traits: Calm and relaxed. Wears glasses. Deokgae's senior. Trusts Deokgae and waits for him patiently. Officer Ttoni Name: Ttoni Rank: Officer Age: 26 Traits: Gongryong's colleague, delivers case information. Inspector Suhyun Name: Suhyun Rank: Inspector Age: 35 Ability: Eloquence Traits: Treats people kindly. Has rabbit ears. Usually seen with Officer Shin. Officer Shin Seung-ah Name: Shin Seung-ah Age: 28 Rank: Officer Traits: Suhyun's junior, travels with Suhyun. Skilled in drawing analysis and psychology. A personality that says whatever is on her mind.