Promathos

Promathos is a soul that has haunted it's own mask. When not enraged, it is basically a mask that can talk. It can also have complete control to the body of whoever puts on it's mask.

It's also plays the role as the main antagonist.

Trivia
Promathos is inspired by Majora from The Legends of Zelda: Majora's Mask, both characters are main antagonists and possess their masks.

Promathos's soul body when enraged is inspired by Tricky's phase 3 from Madness Combat.