Nuckal

The General of Lightning and commander of the Lightning Skulkin Army. He is constantly seen fighting with his superior, General Kruncha, and was later defeated by the ninja in the Underworld. However, he later escaped with Kruncha and attempted to steal the Golden Weapons, only to fail and be forced to retreat. Later he is seen as a substitute teacher with Kruncha at Darkley's Boarding School for Bad Boys, and left Ninjago on Cole's orders.