A rational boy who is a realist and does not believe in the existence of spirits. He has an increadible amount of scientific knowledge by his parent's influence. He denies the existence of Yo-kai even when Keita (and others) show signs to the contrary.He is regarded as a weird person becuase he is too smart. He seems to get along well with Kuma who treats him like a regular boy.
A Yo-kai that was sealed in a rock and appeared in front of the protagonist. He bestows upon himself the title of "Yo-kai butler," and teaches the player many things about Yo-kai.He is always hyper under any condition and is a happy-go-lucky Yo-kai
A bully (kid's boss) that is nicknamed "bear" that kids are afraid of. He can be naughty and rough at times but he can be relied on in time of need. He also trusts what others say without any doubts and is good friends with Kanchi.There are also unexpected sides to him like crying because he lost his mother's cherished ring. He will not notice the presence of Yo-kai in the game.
A nice and smart girl.Despite her cute appearance, she goes out to catch bugs and fish and is highly active.She can slightly feel the presence of supernatural entities around her at times.
An ordinary boy.He gets a Yo-kai Watch by through a chance encounter with Whisper and becomes involved in incidents created by Yo-kai.He does not exceed at doing anything except for being completely average, but he overcomes it all by his bright positivity.