The White Nindroid is a variant of Nindroid from the Ninjago: Masters of Spinjitzu series. Unlike their black-wearing counterparts, they were used to aid Cyrus Borg and the Ninja in vital tasks, mainly guarding valuable artifacts such as the Realm Crystal.
It is possible that the White Nindroids were originally members of the Overlord's Nindroid army who were rendered harmless whether by the deletion of his digital form or his ultimate defeat at the hands of Zane. In any event, the earliest models-still in their black coloring-were employed in a training simulation for Lloyd in which he used stealth and strength to move past them in an attempt to reach a simulated Golden Armor. Later-after being given white gi-several of the droids were assigned to Hiroshi's Labyrinth to guard the Realm Crystal, though they were unable to thwart the intrusion of Nadakhan.