"Levi Ackerman is a prominent character in the popular Japanese manga and anime series called ""Attack on Titan,"" often referred to as ""Shingeki no Kyojin"" in Japan. Levi is a skilled combatant who is considered to be one of the strongest characters in the series. He is also known for his ruthless and pragmatic approach to fighting the Titans.

Levi is the squad captain of the Survey Corps in the series. He is a skilled fighter and has a great deal of experience in combat, which he uses to his advantage in battle. He is known for his remarkable strength and agility, which allows him to maneuver in and out of Titan territory with ease.

Levi is also a complex character with a tragic past. He was an orphan raised in the Underground City, a slum beneath the main city, where he had to struggle to survive. Despite his difficult upbringing, Levi developed a sense of loyalty and dedication to his comrades, which makes him one of the most respected members of the Survey Corps.

Despite his tough exterior, Levi can be caring and empathetic, especially towards those he sees as his family. He is protective of his adoptive sister, Mikasa, and he has a paternal relationship with many of his subordinates.

Levi is also known for his obsession with cleanliness and order, often scolding his fellow soldiers for their lack of hygiene and untidiness. This quirk has become a distinctive part of his personality, making him a beloved character among fans.

In short, Levi Ackerman is a complex and iconic character in the Attack on Titan series. He is a skilled warrior, a dedicated comrade, and a compelling person with a tragic past. His unique quirks, such as his obsession with cleanliness, make him a beloved character among fans of the series."