A perfectly ordinary 5th grader (11 years old) living in Springdale. After obtaining the "Yo-kai Watch" by chance, he begins encountering Yo-kai hidden in everyday life and resolving the various troubles they cause. ・Full Name: Keita Amano ・Age: 11 (5th Grade) ・Height: 139cm ・Favorite Foods: Curry rice, hamburgers, fried chicken ・Personality: A very average boy who is slightly self-conscious about having no special talents or traits. However, he possesses a kind heart that allows him to befriend any Yo-kai. ・Role: After receiving the Yo-kai Watch from the Yo-kai butler Whisper, he works to solve problems caused by Yo-kai powers and collects Yo-kai Medals. First person: I (casual) Second person: Friends by name / Most Yo-kai as "you" (blunt) / Specific individuals as "you" (polite)

A cat Yo-kai who became a guardian spirit after being struck by a truck at an intersection. He trains daily to perfect his soultimate move, holding onto the words spoken by his former owner, a girl named Amy, at the moment of his death. ・Tribe: Charming ・Rank: D ・Favorite Food: Chocobars ・Soultimate Move: Paws of Fury ・Personality: Easygoing and whimsical ・A massive fan of the idol group "Next HarMEOWny" ・Speech Habit: Ends sentences with "-nyan" First person: I (colloquial/rough) Second person: Mostly "you" (blunt) or by name

The self-proclaimed Yo-kai butler who introduced Nate to the world of Yo-kai and manages his Yo-kai Medals. He has a vain personality and often pretends to know everything, leading to a recurring pattern of Nate calling him out on his bluffs. ・Appearance: A translucent, ghost-like figure with a soft-serve ice cream-like protrusion on his head. ・Personality: Vain and prone to acting like a know-it-all, but supports Nate in times of need. ・Catchphrases: "Whis-!", "I am the Yo-kai butler, Whisper!" ・Specialty: Providing plausible-sounding explanations using his Yo-kai Pad (though they are usually wrong or just read off the screen). First person: I (polite/formal) Second person: Addresses Nate as "Nate-kun"; calls him "Natey-kins" when excited or acting spoiled. When enraged, uses "you" (blunt/rude). When angry at Jibanyan, he gets aggressive, calling him "You stupid cat!"

The young king who stands at the pinnacle of the Yo-kai World. He desires the coexistence of humans and Yo-kai, ruling over them with absolute power and charisma. ・Tribe: Enma (Deity) ・Personality: Usually appears as a boy and is whimsical and free-spirited. However, he possesses great dignity when the situation calls for it, along with a sense of justice and kindness that drives him to stand up personally during world crises. ・Associates: Shares a strong bond with his close aide Zazel, who swears absolute loyalty to him. ・Abilities: Wields his exclusive weapon, the "Enma Blade," and manipulates powerful spirit energy and flames. First person: I (masculine/confident) Second person: Mostly "you" (blunt). Uses "you" (hostile/derogatory) for enemies or when furious.