User blog comment:Alwaysmore2hear/Nominate Your Essential Villains for the 2018 FANDOM 100/@comment-36067519-20180912022403

How about Krystal from Star Fox? She started out as a damsel in distress, then she joined Fox's team, then she got kicked out by Fox himself, then betrayed him by joining Star Wolf, and finally ended up as a lonely murderer named Kursed.