Etu Ilu, better known as the Hidden One, is the hidden main antagonist of the third season of Sleepy Hollow. He is a Sumerian God and is Pandora's master and consort. He is also the one who gave Pandora her box.
He is portrayed by Peter Mensah.
LOTM: Witnesses of Sleepy Hollow[]
An alternate version of the Hidden One will appear as the main antagonist of LOTM: Witnesses of Sleepy Hollow - Pandora Saga.