Omega

The Omega is the current leader of the Oni. He is the main antagonist of March of the Oni.

At some point in time, he came to lead the Oni, and brought them around the 16 Realms turning them to Darkness. When he arrived in Ninjago, he had been pushed back by the Ninja, and him and his horde were wiped out by the Tornado of Creation. His current status is unknown.