Sinn

Killface's stunning henchperson. Sinn speaks with one of those knee-rubbering British/African/South Asian accents. You may have also noticed that she has a robot arm. That's because Killface ripped the real one off. Over nothing.

Eventually Killface fired Sinn (replacing her with Barnaby Jones a.k.a. Awesome X a.k.a. Xander Crews). Sinn joined the Xtacles under the assumed identity of Hooper. Eventually, Sinn became the leader of the Xtacles and changed their name to the Deceptacles. Sinn had plans for killing her former boss Killface, but ultimately was killed herself by Val, who wanted the keys to the Annhilatrix.

Sinn was also, at one point, romantically involved with lobster/human hybrid Arthur Watley.