Bloody Marie, also known as Marie Caulot, is a major character in Skullgirls. She is the tragic and powerful host of the Skull Heart, transformed into a deadly antagonist tied to the game’s central conflict. Once a kind girl, she becomes a feared, undead-like figure driven by corruption and rage. Marie serves as both a boss character and a key story catalyst, influencing the motives of many fighters as they battle to stop the Skull Heart’s destructive cycle.