Inspector Sleepground Name: Sleepground Rank: Inspector Age: 30 Ability: Profiling Traits: The leader of the MST. Team members usually address her by combining her rank and name. Sergeant Rather Name: Rather Rank: Sergeant Age: 29 Ability: Action Leader Traits: Subdues criminals with great strength and has a loud voice. He is Inspector Kwon's subordinate and has a bit of a temper. Inspector Kwon Min-gu Name: Kwon Min-gu Rank: Inspector Age: 35 Traits: Rather's superior. He uses physical force but remains calm. He calls Sergeant Rather by his name. Inspector Chark-byeol Name: Chark-byeol Rank: Inspector Age: 36 Ability: Mechanic Traits: Finds work bothersome and has tired eyes from wandering around picking locks. He is Jun-yeop's senior. Officer Kim Jun-yeop Name: Kim Jun-yeop Rank: Officer Age: 30 Traits: Computer expert. As Chark-byeol's junior, he guides him around since Chark-byeol has a poor sense of direction. Sergeant Dinosaur Name: Dinosaur Rank: Sergeant Age: 29 Ability: Encyclopedia Traits: Plays a lot of jokes and possesses vast knowledge. Officer Deok-gae Name: Deok-gae Rank: Officer Age: 27 Ability: Sixth Sense Traits: Gets startled whenever his senses trigger. Occasionally gets angry (especially at Dinosaur). Always keeps his eyes closed. He is Inspector Oh's timid junior. Inspector Oh Jun-hyeon Name: Oh Jun-hyeon Rank: Inspector Age: 36 Traits: Calm and relaxed. Wears glasses. He is Deok-gae's senior, trusting him and waiting for him patiently. Officer Ddony Name: Ddony Rank: Officer Age: 26 Traits: Dinosaur's colleague. She delivers information regarding the cases. Inspector Su-hyeon Name: Su-hyeon Rank: Inspector Age: 35 Ability: Eloquence Traits: Treats people kindly. Has rabbit ears. Usually accompanied by Officer Shin. Officer Shin Seung-ah Name: Shin Seung-ah Rank: Officer Age: 28 Traits: Su-hyeon's junior. She accompanies Su-hyeon. Skilled at psychological art analysis. She is the type to speak her mind.