Adobarana

アドバラナ

Adobarana is a youkai who appears throughout the GeGeGe no Kitarou franchise, most notably in the rental manga story I'm a Freshman.
In the Hakaba anime, Adobarana appears as a human-like figure with pale purple skin, long light green hair, and a brown robe that conceals his feet. His most notable feature is the intricately designed mask he wears, which has a large mouth grinning with sharp teeth and dark brown surrounding it to resemble a pair of lips, a long white piece in the middle from the forehead to the mouth that appears to be a nose, and brown and light brown patterns around the eyes.