Queen Sinestra

Queen Sinestra is the False wife of (the presumably deceased) King Slugwrath of GoAnimate, the Queen of Castle Dreadhaven, and the main antagonist of the Movie, GoAnimate: The Legend of The First Dullahan,

she is the wife of slugwrath and the self proclaimed First Dullahan she met King Slugwrath when he was recruiting dullahans for he's dullahan army, and after accepting he's offer to join he's military force, she came back to castle Dreadhaven with him, after which she grew romantically attatch to him but also sort of stalkingly, as she began to spy on him in the corridors of the castle, durning, political meetings and looking at him seductively at random occasions, but all that would soon change as one night, sinestra was heading towards the king's quarters ready to as him to marry her, but soon her excitement would turn into worriness when she heard sounds coming from inside the room, and it was there she saw it, slugwrath had a wife,and she soon realized the woman was prettier than her, but didn't realize that the woman wa sinfact the first dullahan

Trivia

 * she is the fourth female main villain in a GoAnimate Movie with Medusa being the First, Verona being the second and Darth Narissa being the Third
 * her Name is a Take on the Word Sinister which is another word for evil