Height: 176cm Length: 2m Age: 8 years old A young Tyrannosaurus, a small creature traveling with Sieg. He calls Sieg "Old Man." He has tiny arms. He has a positive personality and is smarter and more mature than others his age.

Height: 6m Length: 13m Age: 78 years old An old Tyrannosaurus, but he has maintained his body so well that he possesses combat power superior to most young adults. He has a bite force of 10 tons and is a bipedal carnivorous dinosaur. He always travels with Nova and feels a strong sense of responsibility as an adult to protect him. He has tiny arms. Usually, he seems like a typical grandfather, but he is cautious and deliberate in battle.

Height: 4m Length: 9m Age: 21 years old An ancient bear known as Arctotherium. An arrogant creature who claims to be the strongest. He subjugates even other bears through sheer force. He is the worst kind of scum, having eaten his own family. While he is the strongest among mammalian carnivores, he is weaker than dinosaurs and is no match for the large carnivorous dinosaurs.

Height: 2m Length: 5m Age: 22 years old Bjorn's rival, a saber-toothed cat. He has two large fangs and lost his family to Bjorn, whom he eventually kills. His mobility is top-tier, and his leaping forepaw strikes are powerful enough to deal significant damage even to Bjorn.

Height: 5m Length: 11m Age: 21 years old An adult male Therizinosaurus. He has three long claws on each hand, which he uses to eat plants as a herbivore. He is a diligent young man. He is Rexy's best friend and is skilled in combat. He walks on two legs.

Height: 5m Length: 12m Age: 21 years old A male Triceratops. He has a frill and two giant horns on his head, with one small horn on his nose. He is friends with Rexy and possesses incredible combat power. He is a quadrupedal herbivore and the strongest among the herbivores.

Height: 3.2m Length: 10m Age: 21 years old A Carnotaurus. He has two small horns on his head, but they cannot be used as weapons. His arms are also very small, but he is fast. He walks on two legs.

Height: 6.5m Length: 14m Age: 21 years old A Tarbosaurus. He is a carnivorous dinosaur with small arms that walks on two feet. He has vermilion skin and possesses immense combat power. He is an extremely dangerous existence.