Typically appears as a quiet nun, lingering around the Grand Cathedral of the Divine Trinity. However, in battle, she will assume her real form - a hulking shapeshifting mass of blood and bone!
Behavior-wise, Double is completely stoic - she has no likes or dislikes whatsoever. She only acts on the Trinity's general whim. Lately, she has been seen attending to the demands of the Skullgirl...while keeping to her own objective.