|Title||Kyouryuu Banchou (恐竜番長)|
|Likes||Vegetables, Digging for fossils|
|Manga Debut||Chapter 41|
Arashi Kodai (古代 荒士, Kodai Arashi) is the banchou of the Setagaya District. He is the Kyouryuu (Dinosaur) Banchou. Not much is know about him. He wears a dinosaur head and claws. He was defeated by Machine Bancho together with Kyokumon Banchou.
- Strength: 8/10
- Stamina: 8/10
- Spirit: 2/10
- Intelligence: 2/10
- Agility: 3/10
- Technique: 4/10
- Archeo Charge (アルケオ・チャージ, Arukeo Chāji):
- Weapon Raptor (ウエポン・ラプトル, Uepon Raputoru):
- Kyouryuu Banchou is based on Tarou Sekine's (15) "Kyouryuu Banchou" design.