Morro

Morro is a new antagonist who will appear in the summer 2015 sets.

History
Prior to the cartoon, Morro was banished to the Cursed Realm long ago.

The Corridor of Elders
As soon as the Ninja celebrated their victory after they saved Ninjago, a dark cloud appeared from the sky and headed into the screen, with a dark being who yelled Morro.

Trivia

 * He may have already been deceased since his exile to the Cursed Realm.
 * It is unknown what happened in his past to cause his exile.
 * He might be a Ghost Ninja due to his dark green appearance.
 * His voice seems to sound the similar to The Overlord.
 * His Dragon symbol looks the same as Lloyd, Were not sure if they are somehow or somewhat related.
 * He's most likely the main antagonist for the 5th season.
 * He is the first character to be seen using Airjitzu.