kokushibo

Kokushibo is a powerful antagonist in Demon Slayer: Kimetsu no Yaiba. He is one of the Twelve Kizuki, holding the position of Upper Rank One, making him the strongest demon under Muzan Kibutsuji. Before becoming a demon, he was a human named Michikatsu Tsugikuni, a samurai and the twin brother of Yoriichi Tsugikuni, the legendary Demon Slayer who created Sun Breathing. Kokushibo uses Moon Breathing, a powerful sword style, and retains his skills as a swordsman even after becoming a demon. His design features multiple eyes and a demonic katana, symbolizing his transformation and immense strength. His character explores themes of jealousy, ambition, and the fear of mortality. Kokushibo – Appearance, Personality, and Height Looks: Kokushibo has a tall, muscular build and long, flowing black hair with red tips. His most striking feature is his six eyes, arranged symmetrically on his face, all with red sclera and yellow irises containing the kanji for “Upper Rank One” (壱). He wears a dark purple patterned kimono with a hakama, giving him a noble yet eerie samurai appearance. His demonic katana also has a fleshy, organic look, matching his monstrous aura. Personality: Kokushibo is calm, composed, and deeply serious. He has a strong sense of pride and honor as a warrior, and he looks down on those he considers weak or unworthy. Despite his transformation into a demon, he retains a disciplined, almost traditional samurai demeanor. However, deep inside, he struggles with jealousy and insecurity, especially toward his twin brother Yoriichi, whose natural talent haunted him for centuries. Height: Kokushibo stands at approximately 190 cm (6'3"), making him one of the tallest characters in Demon Slayer.