She was introduced as a super-powered android who would destroy everything in her path. she was once human, due to Dr Gero’s experiments, she turned out to be his Android 18.
Rize, aka Binge Eater, was the most powerful ghoul. After she died in a steel beam incident, her kakuhou was transplanted into Ken Kaneki, turning him into a one-eyed ghoul.
Annie’s was able to transform into Female Titan. Annie took out an entire regiment of the Survey Corps during the Female Titan arc. She has excellent hand to hand combat skills.
Himiko Toga is one of the League of Villains’ most twisted and dangerous members. Her quirk enables her to transform into another person by injecting herself with their blood.
Lust was the only female among the homunculi. She is the personification of the father’s lust and is used to entice and deceive others. Lust is shown as a sadist who enjoys tormenting others.
Isabella is a classic example of a character that appears to be kind outside but is rather horrible on the inside. Isabella is merciless, broke Emma’s leg to prevent her from fleeing.
She is a member of Killing School Life & the brains behind the Killing Games. She is a psychotic and sadistic antagonist whose only goal is to cause pain and suffering.
Echidna is the Witch of Greed. She was depicted as a nice, pleasant, and childlike woman. She is a cold-hearted woman who is solely concerned about herself.
Medusa, the snake witch's acts of kindness and good looks misled everyone. Medusa was so heartless that she even used her kids to achieve her objectives.
She has the aura of a grim reaper around her. She was a sadistic woman who has terrifyingly strong abilities. She defeated an army of 100,000 men on her own.