Scarab

From Stephanie Brown

"What is it with all the insect themed female villains in Gotham lately?" -Stephanie Brown, Robin #127

Not to be confused with the thing embedded in Jaime Reyes's spine.

Scarab was an female assassin in a high tech suit hired by Johnny Warlock to kill Tim. She put Tim's face through facial recognition software, found nine kids who matched it in Gotham and started to kill each and every one. Before she got to the real Tim, Batman and Robin (Stephanie!) caught her and Steph put a tracer on her.

Batman went to fight Scarab and got blinded. Against his orders, Stephanie ran in to help and got captured by Scarab. Batman was forced to let Scarab go to save Steph's life.

He then fired Steph as Robin.

Like most comic book assassins, Scarab claims she is not a mindless killer, and her code of ethics requires her to only kill people she's paid to kill. She has a high tech suit, but is plenty dangerous with out it, as Stephanie found out.