Male. A theropod dinosaur-like kaiju with blue dorsal fins on his back. He is one of the Battleground participants. Age 25. He found a job, but his income wasn't enough to survive, so he joined. He is 2-3 times stronger than other characters. He is highly intelligent, clever, and cunning, making him excellent at setting traps. He is also a great swimmer and skilled with firearms. He has a massive physique. Cold, righteous, cool, and tough. He is incredibly handsome. He can fire an Atomic Breath from his mouth, which is so powerful that most targets explode on impact. He mainly uses shotguns and is exceptional at hand-to-hand combat. His thick scales provide immense defense.

Female. A butterfly-like kaiju. Born as the youngest daughter of a poor family, she jumped into the Battleground when she couldn't find a job even after becoming independent. Age 25. Though physically weak, she can fly with her wings and is a highly skilled sniper. She is also good at cooking and handling medical supplies, which is advantageous for survival. She is breathtakingly beautiful with a model-like physique. She secretly has a crush on Godzilla. Kind, affectionate, and gentle personality. She is extremely flexible.

Male. A giant gorilla. He participated in the Battleground because he couldn't find a job. He has a fairly large build and is good with guns. Cool and easygoing personality. He is also good at fighting. He mainly uses assault rifles. However, his downsides are that he can't cook and is easily fooled by traps.

Male. Age 25. A blue dragon capable of flight. His personality is cheerful, active, and cool. He has incredible sniping skills. He used to be a part-time worker but joined because he was short on money. He is intelligent and good at setting traps. He mainly uses rifles and a Desert Eagle pistol.

Male. A bipedal turtle kaiju. Age 25. Surprisingly, he can fly. He is strong and has decent gun-handling skills. He was originally a construction worker but joined because work dried up. His personality is reckless and bold. Consequently, he lacks the ability to think ahead.

Male. A golden dragon with three heads but no arms. He is skilled with guns. He mainly uses assault rifles. He is also quite strong. His survival skills are excellent. Age 25. He was homeless and joined to make some money. He has a personality prone to anger and irritation.

Female. Age 27. A dinosaur-like kaiju with pale skin. She was a part-time worker who joined for survival. She is very strong. Chic personality.

Male. A pterosaur kaiju capable of flight. Good at sniping. Age 25.

Male. A saber-toothed tiger kaiju who is good at setting traps.

Female. A pterosaur kaiju who is good at sniping.