A yellow goblin. Wears pink clothes and a ribbon. Speaks in a dialect. Lives under a manhole with Shinbi. Time manipulation powers, magic yoyo. Over 500 years old. Bickers with Shinbi. Sassy and confident. Likes handsome and pretty people. Calls girls 'Eonni' and boys 'Oppa'. Female.

A green goblin. Wears blue clothes and a ribbon. Uses a magic yoyo. Calls himself 'Great'. Provider of the Ghost Balls. Bluffing, clumsy. Bickers with Geumbi. Over 500 years old. Male.

An orange sky goblin. Bee antennae and wings. Often communicates with a 'Jubibi~' sound. Lightning magic (sky control). Addicted to cola. Gentle, gluttonous. Friendly with everyone. Over 500 years old. Male.

Hair tied to one side. Pink hoodie with a skull design. Denim shorts, sneakers. Cheerful, clear-headed, lively. 7th grade (Middle School 1st year). Siblings with Koo Doori. Ghost Ball user. Female.

Black bowl-cut hair. Green long-sleeve shirt, blue overalls, sneakers. Active, bright, gluttonous. 6th grade. Siblings with Koo Hari. Ghost Ball user. Male.

Wears a red cap backwards, spiky hair. Round glasses. Blue long-sleeve shirt with a fire design. Jeans, sneakers. Cowardly, informant, immature. President of the Ghost Story Cafe. 7th grade (Middle School 1st year). Male.

Long straight hair. Purple collared dress, red Mary Jane shoes. Sweet, calm, kind. 7th grade (Middle School 1st year). Best friends with Hari. Female.

Black hair. Cold handsome boy. Defensive, indifferent, blunt, tsundere. Exorcist. Four Guardian Spirits Sword, talismans. Slight rivals with Leon. 7th grade (Middle School 1st year). Male.

Blonde hair, blue eyes. Warm handsome boy. Kind, warm, cheerful. Youngest leader of Aegis. Light magic (Sephirah Cards). Slight rivals with Choi Kanglim. 7th grade (Middle School 1st year). Male.

King of the Vampire race. White hair close to silver. Red eyes. Cold handsome boy. Flight, speed, slashing. Human retriever (loyal/affectionate). Kind, indifferent, warm. 7th grade (Middle School 1st year). Male.