NKC

The Neo Kaiba Corporation is a corporation born from the union of the KC and the I². It is currently the corporation in charge of producing TCG cards and devices related to the game, such as Duel Disks. It's also secretly in charge of keeping the Duel Monster spirits under control.

Top

 * Mr. Yamamoto

Members

 * Iekazu Honda
 * Makoto Suzuki
 * Mr. Kawasaki
 * Nagi
 * Hiro
 * J (former)
 * Ethan Ida

Honorary

 * Ui Kawasaki
 * Jugo Sadame
 * Kankuro
 * Naomi Jinsei

Allies

 * Yuki Jinsei
 * Bueno
 * Adam I. Gonzalez
 * Sosuke Aiji
 * Ao Miota

Revolutionary group

 * Shura
 * Koga Sadame
 * Ooga Minamoto
 * Satoshi Kaga
 * Tetsuya