Full name: Chang Koehan
Birthdate: October 21
Birthplace: South Korea
Height: 153 cm (5’0”)
Weight: 37 kg (81 lbs.)
Blood type: B
Job/Occupation: Recidivist delinquent (formerly), Taekwondo student
Likes: His iron ball, destruction
Dislikes: Centipedes, days of training (but don't tell Kim!)
Hobbies: Bashing things
Favorite food: Cows roasted whole (he especially likes eating the last leg)
Forte in sports: Ping-pong
Weapon: Iron Ball
Fighting style: Power striking + some Taekwondo