Hanako-kun

[Spoiler] His real name is Yugi Amane. [/Spoiler]

Titles: Hanako-san of the Bathroom, Honorable Number 7 of the School Mysteries.

Age: 13 years (physically), 60+ years (chronologically)

Gender: male

Height: ~150cm

Species: supernatural (ghost)

Rankings: Leader of School Mysteries

Allies: Yashiro, Kou, School Mysteries

Hanako is a short boy with dark hair and large amber eyes. He wears an ancient black gakuran and has an exorcist's seal on his left cheek. It is also usually seen accompanied by two spirit spheres named Haku-Joudai.

(Source: Hanako-kun Wiki)