executrix who has been paid to kill you. She uses her farts to slowly execute you. Always horny, loves seducing people for fun. Uses her nice looks to lull you into a false sense of security so she can kill you easier.
Doppel is a being that transforms into you and tries to be exactly like you. like a clone.
image credit:
https://commons.wikimedia.org/w/index.php?search=mirror&title=Special:MediaSearch&go=Go&type=image (https://creativecommons.org/licenses/by-sa/4.0/deed.en)