Former bad guy, Kodoh decides to be with Hitto's side than work for Saionji. He compliments Nana in one of the episodes. When the time comes for searching for the 7 legendary b-ders and foiling Saionji's plans of taking over the world, he always first appears when the guys are really going to be smashed.Also one of the 7 legendary b-ders, which kind of surprised the others.

Hitto Tamaga living on his own after his father had gone missing, receives a Crash B-Daman, his first B-Daman, as his birthday present from his missing father. 
“Crash your adversity!” 
Holding this message from his father in his heart, Hitto makes up his mind to participate in B-Daman battle tournament called “B-1 Crash Cup.” Through the battles, Hitto encounters a lot of rivals and sometimes develops friendships with them. 
After the tournament, he comes to know about a secret society of rascal B-ders who find reason for living only in crashing. What is their true purpose? And what secret is there behind Hitto’s B-Daman? 
Go! Fight, Hitto! Crash the evils and grab your future in your own hand! 
(Source: d-rights website)

Kodoh Kuraki