Greta is a humanoid shark-like monster. She was a former human that was transformed by the Distortion Phenomenon. Greta was formerly part of the Eight Chefs, a group of renowned culinary artists that used human flesh in their cooking. However, most of the group went mad and cannibalised themselves, leaving Greta as the only survivor.
Greta is boastful and bombastic, much of her speech is centered around food. She is a member of the Reverberation Ensemble, acting as their "Drum".