Sukune has an energetic, positive personality, yet they're also a bit eccentric. They talk in a weird speech that they have invented themself for the sake of being creative, adding lots of verbal tics to their speech, such as "gyuu" and "nyo". Sukune is also described as a kindhearted simpleton by many people. Despite being a talented artisan, they're secretly displeased with their creations. They despise people not appreciating art or not being taken seriously.