The Hand Demon was ruthless in his treatment of humans, immediately killing them and even attacking the ones who fled.[2] He bore a great hatred for Sakonji Urokodaki, cursing him for defeating and trapping him in the wisteria-riddled Mt. Fujikasane,[3] and vowing to kill all of his apprentices.[4] He was also very sadistic, gleefully explaining his murder of Sabito and Makomo to Tanjiro Kamado.[5] Despite this, the Hand Demon had a deep fear of death, being too afraid to close his eyes after Tanjiro beheaded him.[6]

When he was human, he had a habit of asking his older brother to hold his hand, a trait which made his sibling label him a scaredy-cat.[7] In his final moments, the Hand Demon extended a hand to Tanjiro for him to hold, shedding tears of gratitude when his request was granted.[8]

He seemed to have a notable tendency to keep track of time, as he asked Tanjiro if it was still the Meiji era, and when told it was the Taishō era, he raged that he had passed into a new era, again, and that he was still stuck inside the wisteria prison for 47 years.