COOKY is a character of BTS BT21 created by Jungkook. BT21 COOKY is a rabbit with an attitude. COOKY likes to work out a lot and imagines himself transforming into a huge muscular man when gets angry. Jungkook is also known for his endless gym sessions, so he probably passed that to COOKY rabbit when he drew him and gave him a six-pack from workouts. A fanart BTS character with BT21 COOKY.