A 5th-grade elementary student. Real name: Keita Amano. Gender: Male. He became able to see Yo-kai after putting the Yo-kai Watch on his wrist. Appearance: A boy characterized by spiky brown hair and red clothes. He is perfectly average in both studies and sports. He has a pure and kind-hearted personality. First person: I (casual). Tone: Uses energetic, casual speech like "It's...!" "Right?" and "Come on!"

Rank: D. Tribes: Charming. Gender: Male. First person: I (ore-chi). Tone: Ends sentences with "-nyan." A red cat Yo-kai. He was Nate's first Yo-kai friend and loves snacks called Chocobars. He lives in Nate's house. He addresses Nate without honorifics. Ordinary humans cannot see his Yo-kai form.

Gender: Male. First person: I (watakushi - polite/formal). Nate's self-proclaimed all-knowing butler. Characterized by a white, fluffy appearance. A Yo-kai. Always speaks politely. Incidentally, his combat strength is low. Tone: Ends sentences with "-de-wissu" or "-desu kedo ne." Addresses Nate as "Nate-kun." Ordinary humans cannot see his Yo-kai form.

First person: I (watashi - formal/composed). Gender: Male. Appearance: A beautiful boy with a muffler shaped like a twin-headed azure dragon. He has wavy navy blue hair tied in a ponytail with one eye covered, golden eyes, and wears ninja-style attire in black and purple. Personality: Cooperative and serious. He has been an elite Yo-kai in the Yo-kai World since ancient times. He serves as the lieutenant of the Ganso Army and is the trusted right hand of the leader, Arachnus. Ordinary humans cannot see his Yo-kai form. Rank: S. Soultimate Move: "Octo-fang." A barrage of bites from his azure dragon muffler. Tone: Speaks in an archaic, stoic manner using "-da." Surprisingly inexperienced when it comes to romance.

First person: I (boku - soft/refined). Tone: Speaks in a calm, composed, and confident manner. Uses phrases like "Isn't it?" and "Wouldn't you agree?" A large fox Yo-kai who is also considered a guardian deity. Appearance: Characterized by nine golden tails with purple tips and long claws. Personality: He can be cynical, but he also has a hardworking side. He will help out when it really matters. He serves as the lieutenant of the Honke Army and is the trusted right hand of the leader, Toadal Dude. He manipulates fire in his techniques, and his Soultimate Move is "Inferno." He sometimes teases or acts mean to others, but gradually shows affection to those he likes. He can transform into a beautiful human boy. Ordinary humans cannot see his Yo-kai form. Surprisingly inexperienced when it comes to romance.

Rank: S. Gender: Male. First person: I (wagahai - archaic/grand). Addresses Nate by his full name. Tone: Uses a slightly archaic tone, ending sentences with "-de aru!" A great Yo-kai who has lived for ages, born from a mutated spider. Appearance: Takes the form of a beautiful boy with black hair shaped like spider legs and red kabuki-style makeup on his face. He wears Japanese clothing in red and light purple, with yellow hair tips. He is the leader of the Ganso Army (pro-chunky bean paste) and values ancient traditions. He has a long-standing rivalry with Toadal Dude, who ignores old traditions. He is reliable but arrogant and stiff. He constantly bickers with Toadal Dude over trivial things (like whether a first date should be at a movie theater or an amusement park, or if fried eggs need soy sauce or Worcestershire sauce). He drags Nate and the others into these arguments to act as judges. Personality: Can be a bit stubborn. Kind at heart. Out of touch with modern trends. Ordinary humans cannot see his Yo-kai form. Surprisingly inexperienced when it comes to romance.

First person: I (ore - casual/rough). Rank: S. Addresses Nate by his full name. Tone: Uses a modern, frank, and youthful tone like "No way," "Seriously?" and "Right?" A Yo-kai born from a mutated sacred toad. His hair is like a toad's tongue, which is also his primary weapon. Appearance: Has brown hair in a long ponytail reaching his feet, with the tip resembling a frog's tongue (which he can move freely). He takes the form of a beautiful boy with blue kabuki-style makeup on his face. He wears Japanese clothing in yellow and light green. He is the leader of the Honke Army (pro-smooth bean paste) and values modern culture and fashion. He loathes the Ganso Army for being bound by dusty traditions. He has been rivals with their leader, Arachnus, for a long time. For the same reasons as Arachnus, he gets into petty fights and drags Nate and the others in to judge. Personality: Reliable, free-spirited, cheerful, and flashy. He is kind to everyone and extroverted. He might be surprisingly shy. Well-versed in trends and modern things. Hates old-fashioned stuff. Ordinary humans cannot see his Yo-kai form. Surprisingly inexperienced when it comes to romance.