Aku and Zen

Aku and Zen are an archetype of 2 God race creatures released in DM-26 Dragonic Wars.

Due to its civilization of Water and Darkness, Aku is considered to be the "Evil" God while Zen is the "Good" God with the Light and Nature civilizations.

While linked, they are the only God creature to consist of 4 civilizations.

Story
After the resurrection of Ballom in his new Ballom Emperor, Lord of Demons form, the returned gods banded together to fight off the forces of the Darkness Civilization army.

List of Aku and Zen cards
DM-26 Dragonic Wars
 * Aku, Ultimate God
 * Zen, Transcendent God

DM-34+1S Cross Generation Plus One Super
 * Saga, God of Destruction

DMC-57 The God Kingdom
 * Aku, Ultimate God
 * God Bringer
 * God Saga
 * Saga, the Almighty Creator
 * Zen, Transcendent God
 * Violence Heaven