Gem Antonelli aka Copycat from DC Comics. Copycat is a member of DV8, originally from Wildstorm Comics before DC obtained them. DV8 were originally antagonists to Gen 13.
Triggers: gantonelli, 1girl, facial tattoo, short hair, red hair, red eyes, choker, crop top, cleavage, midriff, pants, elbow gloves
The shoulder tattoos really don't have any consistency, even with tattoo as a trigger.