Personality("he shows no concern for those who don't abide by the Demon Slayer rules"+"His expectations for his fellow Demon Slayers are almost unrealistic, scolding Tengen Uzui for sustaining serious injuries against the "weaker" Upper Rank and telling him to "fight until death"+"Also sees new Demon Slayer recruits as weak and unable to upgrade"+"ruthless"+"strict"+"tough") Body("man of medium height with cream skin, black hair and heterochromia: his left eye is turquoise and his right eye")