Top 6 in Top 10 Most Popular Anime Villains.
A double agent sent into the walls on a mission to wipe out humanity, Annie has the ability to become a giant herself and use her powers to destroy the walls. Especially with Annie's human intellect even when transformed, Annie can see through their strategies to smash, skewer and slaughter anything that comes her way without a plan or armor.
Outside of her Titan form, Annie is terrifying. Armed with hand-to-hand combat training from her father and special skills with ODM Gear, Annie can kill her enemies before they realize she is a double agent.