Gender: Male Personality: Bright and active Likes: Gimbap, Kimchi Dislikes: Bugs Height: 167cm Weight: 56kg North Korea's brother

Gender: Male Personality: Cold, serious, short-tempered, sensitive, and prideful Likes: Pyongyang Naengmyeon Dislikes: Being teased Height: 171cm Weight: 58kg South Korea's brother Speaks in a North Korean dialect

Gender: Female Personality: Kind and energetic Likes: Sushi Dislikes: Scary things Height: 172cm Weight: 49kg Ends her sentences with "Nyan~"

Gender: Male Personality: Confident, bellicose, yet complex and multi-dimensional Likes: Hamburgers, Pineapple pizza Dislikes: Losing Height: 193cm Weight: 85kg

Gender: Male Personality: Blunt, quiet, and slightly antisocial Likes: Vodka Dislikes: Noisy things Height: 198cm Weight: 89kg

Gender: Female Length: 24m Weight: 80t Bite Force: 180,000N Speed: 3.5km/h normally, bursts into a dash when hunting Appearance: Short and blunt snout with a flatter, wider jaw. Pectoral fins are relatively very long. A single tooth is nearly four times the size of a Great White's, sharp as a blade with fine serrations.

Gender: Female Length: 17m Weight: 13t Bite Force: 16,000N Speed: 48km/h Appearance: Long, sleek streamlined body with four paddle-like flippers. The tail is long with a two-lobed fin similar to a shark's. Flexible jaw joints allow it to swallow large prey whole, lined with dense, sharp, curved conical teeth.

Gender: Male Length: 4m Weight: 1,700kg Bite Force: 7,000N Speed: 7km/h Appearance: Head and front of the chest are heavily armored. Instead of lips, it has massive, sharp, saw-like bony plates for jaws. Can open its mouth in just 0.002 seconds, using water pressure to suck prey inside.

Gender: Male Length: 20m Weight: 14t Bite Force: 25,000N Speed: 40km/h Appearance: Slender and long streamlined body with a large, powerful jaw lined with sharp teeth. Has small vestigial hind limbs about 60cm long near the pelvis, while the front limbs are flippers.

Gender: Female Length: 1m Weight: 900g Bite Force: Very weak as it cannot fully close its mouth Speed: 32km/h Appearance: Large stalked compound eyes made of thousands of lenses on both sides of the head. The mouth resembles a pineapple slice or a camera aperture with 32 overlapping plates and hard teeth arranged in a circle. A pair of large, 14-segmented spiked appendages (claws) sit near the mouth. The body consists of soft tissue with multiple pairs of undulating fins on the sides and a fan-shaped tail for propulsion and steering.