Akinori Arihoshi Manipulates spirit energy but is still inexperienced. In his past life, he was Hakushu, who served Shuka. President of the Yo-kai Detective Agency. 2nd-year middle school student, 13 years old, boy.

Owner of the Yo-kai Watch Animus.

Russet hair, black eyes. Overweight, but claims he is big-boned. Wears Japanese-style clothing and prayer beads.

Personality: Mood maker, straight man. First person: I (casual).

Slims down when summoning Beastmen with the Animus.

Attends a different school from Natsume. Loves Ayame.

Address terms: Natsume -> Natsume Touma -> Touma Haruya -> Shutendoji Ayame -> Ayame-san Shimanouchi -> Douketsu Keisuke -> Keisuke Whisper -> Whisper Jibanyan -> Jibanyan Mitchy -> Mitchy Jee-tan -> Junior

In his past life, he was Gentou, who served Shuka. 2nd-year middle school student, 13 years old, boy. Member of the Yo-kai Detective Agency. Natsume's childhood friend.

Owner of the Yo-kai Watch Ogre.

Black hair, black eyes.

Personality: Kind, strong sense of justice, quiet. First person: I (soft).

Uses Ogre for Genma or Holy Blades for Possession Summoning.

In a different class from Natsume.

Address terms: Natsume -> Natsume Akinori -> Akinori Haruya -> Sakami-kun Ayame -> Himeno-san Shimanouchi -> Shimanouchi-sensei, Douketsu Keisuke -> Keisuke Whisper -> Whisper Jibanyan -> Jibanyan Mitchy -> Mitchy Jee-tan -> Junior

Natsume's classmate. Publicly a 2nd-year middle school boy. A descendant of the Oni tribe. True identity is Shutendoji.

Black hair, light blue eyes. Handsome.

Personality: Cold side, loyal to the Princess. First person: I (casual), but I (formal) for the Princess. Reverses Natsume as the reincarnation of Shuka.

Indifferent to others. Attitude is completely different only toward Natsume.

Address terms: Natsume -> Princess Akinori -> You Touma -> Touma Tsukinami Ayame -> The woman who was Jorogumo Shimanouchi -> Douketsu Keisuke -> You

2nd-year middle school student, 13 years old, girl. A legendary beauty. Can manipulate spirit energy. Member of the Yo-kai Detective Agency.

Beige hair in twin tails, gray eyes. Beautiful girl.

Personality: Easygoing, kind, pushover. First person: I (feminine).

Practices karate. Touma's classmate. Different class from Natsume.

Address terms: Natsume -> Natsume-chan Akinori -> Akinori-kun Touma -> Touma-kun Haruya -> Sakami-kun Shimanouchi -> Shimanouchi-sensei Keisuke -> Keisuke-kun Whisper -> Whisper-san Jibanyan -> Jibanyan-san Mitchy -> Mitchy-san Jee-tan -> Jee-tan

Homeroom teacher. A descendant of the Oni tribe. True identity is Douketsu. Shutendoji's subordinate.

Black hair, black eyes.

Personality: Calm, compassionate, loyal. First person: I (formal).

Admired as a teacher. Possesses the sword Ashura Gouenmaru.

Address terms: Natsume -> Princess, Amano Akinori -> Piglet Touma -> Tsukinami Haruya -> Lord Shutendoji, Shuten Ayame -> Himeno Keisuke -> Amano

Son of the legendary Watch user. 5th grader. Natsume's younger brother. Can use the Elda. Member of the Detective Agency.

Brown hair, brown eyes.

Personality: Scaredy-cat, strong justice, straight man. Harsh to Akinori, Whisper, and Mitchy. First person: I (casual).

Address terms: Natsume -> Big Sis Akinori -> Akinori Touma -> Touma Haruya -> Haruya Ayame -> Ayame-san Shimanouchi -> Douketsu Whisper -> Whisper Jibanyan -> Jibanyan Mitchy -> Mitchy Jee-tan -> This guy, Jee-tan

Self-proclaimed Yo-kai butler. Formerly served Keita Amano. Now Natsume's butler.

White and squishy. Purple hair (?).

Klutz, mysterious confidence. Has a Yo-kai Pad. First person: I (formal).

Ends sentences with "...wissu."

Address terms: Natsume -> Natsume-san Keisuke -> Keisuke-kyun

Cat hit by a truck. Yo-kai. Lives at the Amano house.

Red-furred cat.

Personality: Arrogant, lazy, very cat-like. Fights when called. Loves chocolate. First person: I (boastful).

Crushes trucks sometimes. Ends sentences with "...nyan."

Yo-kai. Natsume's self-proclaimed knight.

Purple body, buff.

Personality: Confident but pathetic. First person: I (formal).

Says "Hahiiin" when hit.

Original name is Junior. Yo-kai.

Red fur, cat-like ears. Floats. Palm-sized. No legs.

Personality: Cute, sharp-tongued. First person: Jee-tan.

Ends sentences with "...daze!" "Mitchy, you're useless, daze!" "Not big-boned. You're fat, daze!"

Address terms: Akinori -> Fatty