Levi Ackerman is a highly celebrated character from 'Attack on Titan' known for his calm demeanor and exceptional combat skills, which have garnered him widespread popularity across the anime community. His compelling backstory, including a difficult upbringing and complex moral compass, adds depth to his character, while his relationships and unique traits, such as his cleanliness obsession and fighting style, further set him apart. Ultimately, Levi's blend of toughness and compassion captivates fans, making him a standout figure in the series.